The invention described in this patent application was not the subject of federally sponsored research or development.
The present invention relates to a system and method for the presentation and display of information; more particularly, the present invention relates to a computer implemented system and method which aggregates and prioritizes data relating to a particular subject to enable an observer to both identify and understand deviations or anomalies of data with respect to a predetermined base line or norm by a visual presentation of the data.
In the past twenty years there has been an explosion in the amount of information made available to professionals in all fields. The reasons for this explosion in the amount of information made available to professionals are many. Key among the reasons for the explosion in the information made available to professionals are more sophisticated and accurate testing techniques. Such sophisticated and accurate testing techniques produce numerical measurements quantifying multiple parameters. Just a few years ago, many of the numerical measurements now provided to professionals were unavailable. Because numerical measurements are easily transmitted using computer-based communication there has been a tremendous increase in the amount of numerical information provided to professionals in many fields of endeavor.
An unfortunate consequence of making large amounts of information available to professionals is that the finite capacity of human beings to absorb and to contextualize may be exceeded. When the finite capacity of a human being to absorb and contextualize information is exceeded there may be several adverse consequences. For example, important data may become buried in unimportant data. Some important data may even be inadvertently ignored. Signals of changes in data reflecting trends in the measurement of important parameters are missed. Valuable time is spent reviewing inconsequential background data. Missing key data or signals in changes in data masks the need to research the reasons for data distortions or data anomalies in key indicators.
One example illustrating the problem of exceeding the finite capacity of human beings to absorb and contextualize information is in the treatment of patients by health care providers. Health care providers, particularly medical doctors, are given complex patient reports to quickly read, properly analyze, and then, based on their analysis of the data presented, prescribe a course of patient treatment or therapy. Example of such reports appear in
In addition to spotting a data variance from a norm, there is also a need to prioritize the information displayed to provide the professional reviewing the data with an indication of what may be the most critical of the variances from a norm and what as opposed to other variances from a norm that may be less critical. Further, if information is available regarding generally accepted interventions or therapy needed to respond to one or more variances from a norm, information regarding such generally accepted variances can be displayed.
Again, the treatment of patients by health care providers provides an illustrative example of a need in the art. Once a medical doctor reviews the report shown in
Accordingly, there remains in the art a need for a system and method which will aggregate and prioritize data relating to a particular subject. Such aggregation and prioritization of the data relating to a particular subject will enable spotting data showing either a data variance from a norm or a data anomaly. Once spotted, the user should be able to focus attention on the data variance or the data anomaly to obtain additional information about the data variance or the data anomaly. Further, there is also a need for displaying the intervention recommended, if any, in response to the variance from a norm or the anomaly. The observer of a recommended intervention should then have access to additional information further explaining the potential consequences of a recommended intervention. In addition, the observer should be able to aggregate multiple sets of data; for example, from multiple patients to enable the discovery of information characteristics of trends found in a larger universe of information revealed by observing multiple sets of data.
There is provided by the system and method for data aggregation and prioritization of the present invention a solution to the problem of visually displaying the variance of data from a norm or a data anomaly to a user together with additional information which prioritizes and displays further information regarding the data variance or the data anomaly and the recommended potential interventions to be taken in response to the variances of the data from a norm or the data anomaly.
The disclosed system and method for data aggregation and prioritization of the present invention includes the use of a computer for aggregating data describing a subject, such as the health condition of a patient, and then divides the data describing the subject into a predetermined group of categories. The aggregated data is then graphically displayed initially at a predetermined position on a geometric figure, such as a predetermined coordinate point or range of points on the circumference or circle. Thus, a certain category of data will always appear at the same point or range of points. This positioning facilitates visual recognition by a user. Specifically, if a user wants to observe a certain category of data he knows exactly where to find the desired data. More particularly, all data categories have a distinct graphic address on a macro data array such as coordinate on a circulator array much like the directional positions on a compass. Distortions and anomalies in the data are graphically shown in an easy-to-read figure as variations from a norm or a data anomaly.
The display created by the computer is designed to create a visual macro indication of the data describing the subject including a visual indication of the existence of data falling above or below a predetermined norm. The computer created display provides a link to a micro display of the data using the visual indication of the data describing the subject falling above or below the predetermined criteria. The micro display further describes the data identified on the macro display of the data describing the subject. The displays of sets of data provided by the system and method of the present invention may be aggregated to enable to the discovery of information characteristics and trends found in a larger universe of information revealed by observing multiple sets of data.
Also associated with the display of data is a display of the history of interventions previously made along with additional information describing recommended interventions according to a predetermined priority. More particularly, the disclosed system and method provides a layering of data starting with a macro data array such as a data array on a circle. The next layer of data display provides greater detail; for example, the data in one quadrant or one accurate sector of the initial circular display. This display may include a feature by which the user demonstrates and records an acknowledgment of having observed certain key portions of the data. Another layer of data display provides an historical or time-expanded display of the parameters shown in data display having more detail such as the quadrant of the initial circular display.
A still better understanding of the system and method for data aggregation and prioritization of the present invention may be had by reference to the drawing figures wherein:
As explained in the BACKGROUND and SUMMARY portions above, professionals in numerous fields are provided with multiple reports including data reporting measurements or test results including numerous parameters. The data in the reports may be used to represent the condition of a particular parameter along with a history of the work done or interventions made by others. The professional evaluating the reports is then expected to use professional judgment to determine if the data warrants intervention or if a future course of action is necessary before an intervention is made.
In most cases, the judgment of a professional is needed because the data reporting measurements or test results including of one or more parameters show what may be called baseline data and other data that may be called intervention data. Baseline data typically expresses or confirms test results within a normal or anticipated range of values. Intervention data is that data which shows a deviation of data from a norm or possibly a data anomaly. If a data deviation from a norm or a data anomaly is shown some type of intervention may be needed to address the deviation of data from a norm or the data anomaly. Proper intervention may be a prescribed course of action or alternatively proper intervention may be verifying test data particularly when there is on unpredicted or unusual data anomaly. In other cases, the data reporting measurements of one or more parameters may be indicative of a trend for which intervention may or may not be needed; however, the trend may be indicative of a potential for some other situation recognizable by the professional as requiring additional testing or more frequent testing.
Those professionals called upon to exercise professional judgment must determine if deviation of data from a norm or a data anomaly represents a situation in which known interventions will provide predictable results. Many of such interventions are generally accepted by professionals; however, other some less well known situations may require research or further study on the part of a professional. Still other interventions may trigger unanticipated complications which could exacerbate a measured condition.
Detracting from the ability of a professional to exercise professional judgment are two key factors. The first factor, as explained in the BACKGROUND portion, is the finite ability of a human being to absorb and contextualize data Herein, the professional is presented with so much information that important deviations from a norm or anomalies in test result data are potentially masked by being buried in other test result data.
The second factor detracting from the ability of a professional to exercise professional judgment is that the judgment of a professional is only as good as the recall of the professional with regard to current thinking about the proper response to certain test results. For frequently occurring conditions, the professional may be able to provide a rapid recommendation for an intervention or for a course of action to be taken. For infrequently occurring conditions, the professional may need to do some research to determine what others in the field have recommended as a response to a similar situation or the most current thinking regarding the implications of a recommended response.
Professionals faced with complex situations rarely find one piece of data or one bit of information which represents a data deviation from a norm, a data anomaly or both. Accordingly, additional professional judgment is required to determine which data deviation from a norm or which data anomaly is the most important in terms of the need for an intervention. While the judgment of a professional will be determinative in assessing the priorities for intervention, the size of a deviation from a norm or the criticality of a data anomaly may be determinative in establishing priorities. In other cases, the judgments of other professionals about the priorities for intervention may be helpful to a professional when determining the need for one or more intervention steps.
By use of the foregoing general description of the activities of a professional when rendering judgments about needed intervention suggested by the data from measurements or test reports and the history of a particular situation, the system and method for data aggregation and prioritization of the present invention will be described. To place the description of the present invention in a more practical context, the following description of the embodiments illustrates the operability of the disclosed system and method for data aggregation and prioritization in a health care context.
When treating a patient, a medical professional, more particularly a physician, is presented with information and history about a patient in various forms. One prior art example is shown in
Those of ordinary skill in the art will understand that the following exemplary embodiment in the health care context is illustrative and that the system and method of the present invention may be used in any situation where information is presented to a professional for the exercise of professional judgment regarding any actions or interventions to be taken or not taken.
According to a basic embodiment of the system and method of the present invention data typically reported on the health condition of a patient is arrayed as shown in
Surrounding the circle shown in
The next approximately 90° arc moving upward from the bottom or 180° degree position of the circle is a patient history sector to include the patient status and such things as physical therapy, work by social service agencies, and consultations with other physicians. The last 90° arc proceeding to the top of the circle from the 270° degree position is for patient assessments to include a nursing assessment, a physical exam, and an overall patient assessment. Key to the utility of the diagram shown in
The array of medical information graphically representing test results as shown in
A similar situation is shown in
Yet another situation is shown in
Still another situation is shown in
A more advanced embodiment of the disclosed system and method appears in
In
Beginning at the top of the circle shown in
Shown at the bottom of a circle in
Of particular concern to this physician viewing the display of information shown in
As shown in
Also shown in
As in the examples of the basic embodiment shown in
The entries in Note 4 relate back to the history of a patient's blood test. Most notable are the changes in Hgb and in the Platelet count which contextualizes this important information.
As indicated above, some of the circles which appear in
In
In
A still better understanding of the disclosed system and method may be had by a description of the various icons shown above, as follows.
The LEGEND icon provides a command to the computer to display the identifying information as shown in
The EXPANDED LEGEND icon provides a command given to the computer to obtain more detailed information associated with an enlarged display of an arcuate sector. An example of such detailed information appears in
The NOTES icon provides a command which displays the explanatory notes which appear near the macro information display as shown in
The specific entries associated with each note include the value of a test result along with any recommended intervention or available historical data putting the test result in a context where it is best understood. As explained below, the information displayed in the notes is the same as the information that may be obtained when an icon identified as “CONTEXT” is selected as shown in
The icon labeled NOTES enables the position of the text of the notes to be displayed when it is most readable for the user. A second selection of the NOTES icon will cause the explanatory notes to disappear.
If desired the screen treatment the explanatory notes can be printed out and added to the paper portions of a patient's treatment record. Also if desired, the indication on the screen may be forwarded to another computer at a distant location for consultation with another health care professional. Alternatively, a doctor visiting a hospital away from where his/her patients are located may monitor a patient's condition or the progress of intervention therapy at the doctor's home hospital. In still other situations the information on the screen may be forwarded to a records storage facility or to a provider of medical insurance. While the only limit to the number of notes presented is the size of the screen, 5-10 notes per patient is satisfactory. If the condition of a patient changes, additional notes may be added and the numbering of the notes to indicate their priority will be changed.
If a physician wants to take another look at a set of test results, the mouse-movable icon is moved as described above to an area of interest on the macro display of information shown in
While a routine set of labels for the arcuate sectors of the circle appears as shown in
As indicated above, a custom set of “CRITICAL TEST RESULTS” may be selected by the user. Further, the user may determine at what level a measurement or a test result is determined to be abnormal or an anomaly. This customizing feature can be adopted to multiple types of practices and even to the preferences of individual practitioners. Selecting a customized set of CRITICAL TEST RESULTS will display those test results best displayed as a numerical value. When selected, the information shown will be deviations from the 95% confidence limits of either the population at large or whatever confidence level is selected with respect to a data set. Values above the confidence limits appear as radial lines extending outwardly from the circle and values below the confidence litmus appear as radial lines extending into the space within the circle. Once again the open circle and filled circle system described above is exemplary of a method used to determine if certain items of data have been observed. Further, and as indicated above, the radial line extending to the circle may include arrow markings indicating a decreasing trend, an increasing trend or stability.
As shown in
Those of ordinary skill in the art will understand that displays of information as shown in
A further utility provided by the disclosed system and method is the assembly of predetermined sub-sets or strings of data such as shown in
By aggregating sets of data constructed as described in the preceding paragraph such as by laying multiple images one-over-the-other, certain characteristics of a universe may be determined such as if data which seems to appear at the tails of a normal distribution may signal a heretofore unrecognized condition.
By use of the disclosed system and method users will be able to rapidly and consistently identify changes in data representing a particular measurement or test result. Once identified the changes in the measurement or test result will be supported by access to a prioritized subset of vital information providing both additional information and recommended courses of action to enable the implementation of an intervention if such intervention is needed. Continuous updating of the information display will allow a user to identify and assess the seriousness of a change in reported information. Accordingly, errors from missing important data or acting improperly with respect to deviations in reported data from a predetermined norm or a data anomaly will be substantially reduced.
An example of a still more advanced embodiment would be where the data sets within a number of circles are superimposed circles. The data anomalies would be evident for a single data set (a single patient) within a data universe (the patient data for a single practitioner or even a group of practitioners). This would allow a practitioner to immediately see, from his entire practice the data with critical abnormalities requiring immediate attention.
A yet still more advanced embodiment would be where a data universe would be rendered as a co-ordinate on a circle representing n-dimensions of data. This could be visualized by “cutting” the circle and collapsing the resulting line segment at a co-ordinate of a circle representing n-dimensions of data. The image at the co-ordinate would preserve all the upward or downward anomalies present on the entire original circle.
According to the present invention and further iterations, there of, the set of extreme anomalies from infinitely complex data sets can be localized on a single display, such as a circle.
While the foregoing invention has been described according to its basic and advanced embodiments, those of ordinary skill in the art will understand that numerous other embodiments have been enabled by the foregoing disclosure. Such other embodiments shall fall within the scope and meaning of the appended claims.
This application claims the benefit of Provisional U.S. Patent Application No. 60/933,038 filed Jun. 4, 2007.
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