Method and system for health assessment and monitoring

• US 7,765,113 B2
• Filed: 06/04/2001
• Issued: 07/27/2010
• Est. Priority Date: 06/02/2000
• Status: Active Grant

• Current Assignee: QuarterMaster Newco, LLC (UnitedHealth Group Incorporated)
• Original Assignee: Optuminsight Life Sciences, Inc. (UnitedHealth Group Incorporated)
• Inventors: Ware, John E., Bjorner, Jakob Bue, Dewey, James E., Kosinski, Mark R., Sardinha, Barbara
• Primary Examiner(s): O'Connor; Gerald J.
• Assistant Examiner(s): LE, LINH GIANG
• Application Number:
  US09/873,500
• Publication Number:
  US 20020019747A1
• Time in Patent Office: 3,340 Days
• Field of Search: 434/236, 434/322
• US Class Current: 705/3
• CPC Class Codes: G06Q 40/08 Insurance
• CPC Class Codes: G16H 10/20 for electronic clinical trials or questionnaires
• CPC Class Codes: G16H 15/00 ICT specially adapted for medical reports, e.g. generation or transmission thereof
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: G16H 50/20 for computer-aided diagnosis, e.g. based on medical expert systems
• CPC Class Codes: G16H 50/30 for calculating health indices; for individual health risk assessment

Abstract

The present invention relates to an assessment technique which is conveniently practiced on a computer or over a network. The assessment technique is particularly useful in assessment of health related factors. The invention also relates to a general purpose programmable computer which is provided with instructions for operating according to the assessment technique.

Claims

1. A computer based system for assessing the health status or health care of a patient, comprising:

a microprocessor configured;

to generate a customized test, based on the patient'"'"'s characteristics and one or more health domains selected by a patient or a health care provider, said test having a plurality of questions for said patient in accordance with said selected health domains;

to administer said test by providing one question at a time to said patient; and

to evaluate answers, after each question, provided by said patient to administered questions to estimate a score and a confidence level in the accuracy of said estimated score;

to vary a threshold, after each question, as a function of said estimated score during administration of said test to said patient; and

to dynamically modify said test being administered to said patient based on an answer provided to an immediately prior question if said estimated confidence level is outside said threshold;

an interface associated with said microprocessor for presenting said test to said patient and for receiving said answers provided by said patient; and

a database associated with said processor for storing said customized test, said plurality of questions; and

said answers provided by said patient.

2. The system of claim 1, wherein said microprocessor is further configured to generate a report regarding the health status of said patient.

3. The system of claim 1, wherein said domain is a condition experienced or perceived by said patient.

4. The system of claim 1, wherein said microprocessor is further configured to rank said plurality of questions in accordance with said estimated score and select a question from said plurality of questions based on said ranking that has not been administered to said patient as part of evaluating answers provided by said patient.

5. The system of claim 4, wherein said microprocessor is further configured to select a highest rank question as part of evaluating answers provided by said patient.

6. The system of claim 1, wherein said microprocessor is further configured to terminate said administration of said test if it is determined that said estimated confidence level is within said threshold as part of administering said test.

7. The system of claim 1, wherein said microprocessor is further configured to generate said questions for said domain from a database having questions and answers pertaining to a plurality of domains as part of generating a customized test.

8. The system of claim 1, wherein said microprocessor is further configured to provide a list of possible answers for each question to said patient as part of administering said test.

9. The system of claim 1, wherein said microprocessor is further configured to statistically analyze said answers provided by said patient for errors or consistency as part of evaluating answers provided by said patient.

10. The system of claim 1, wherein said microprocessor is further configured to statistically analyze said answers provided by said patient for estimating non-responsive answers to said test as part of evaluating answers provided by said patient.

11. The system of claim 2, wherein said microprocessor is further configured to compare said answers provided by said patient with answers provided by other patients in said domain as part of generating a report regarding the health status of said patient.

12. The system of claim 1, wherein said microprocessor is further configured to administer said test to said patients over a network as part of administering said test.

13. The system of claim 2, wherein said microprocessor is further configured to generate said report over a network as part of generating a report regarding the health status of said patient.

14. The system of claim 12, wherein said network is one of the following:

an Internet, an intranet, a telephone network, and a wireless network.

15. The system of claim 1, wherein said domain includes at least one of the following:

severity of headaches, level of depression, degree of personal mobility, self-perceived status, effectiveness of a treatment, physical health, emotional health, impact of asthma and general overall health.

16. The computer based system of claim 1, wherein said microprocessor is configured to:

administer said test before a variable is introduced, wherein said variable includes one of the following;

a pharmaceutical, drug composition change, therapeutic method, health care provider, health care regimen, environmental change, lifestyle change, or work change; and

further configured to readminister said test after said variable is introduced as part of administering said test; and

wherein said microprocessor is further configure to compare resultant data obtained from each separate administration of said test by said administration module, wherein said resultant data is indicative of efficacy or impact of the introduction of said variable on said health status or health care of said patient.

17. The system of claim 1, wherein at least two domains are selected to be assessed.

18. A computer readable media comprising computer executable instructions for:

generating a customized test, based on the patient'"'"'s characteristics and one or more health domains selected by a patient or a health care provider, said test having a plurality of questions for said patient in accordance with said selected health domains;

administering said test by providing one question at a time to said patient;

evaluating answers, after each question, provided by said patient to administered questions to estimate a score and a confidence level in the accuracy of said estimated score; and

varying a threshold, after each question, as a function of said estimated score during administration of said test to said patient;

dynamically modifying said test being administered to said patient based on an answer provided to an immediately prior question if said estimated confidence level is outside said threshold.

19. The computer readable media of claim 18, wherein the step of dynamically modifying includes the step of terminating said administration of said test if it is determined that said estimated confidence level is within said threshold.

20. The computer readable media of claim 18, further comprising computer executable instructions for administering said test before a variable is introduced, wherein said variable includes one of the following:

a pharmaceutical, drug composition change, therapeutic method, health care provider, health care regimen, environmental change, lifestyle change, or work change;

readministering said test after said variable is introduced; and

comparing resultant data obtained from each separate administration of said test, wherein said resultant data is indicative of efficacy or impact of the introduction of said variable on said health status or health care of said patient.

21. The computer readable media of claim 18, wherein at least two domains are selected to be assessed.

27. The computer readable media of claim 18, further comprising computer executable instructions for generating a report regarding the health status of said patient.

28. The computer readable media of claim 18, wherein said domain is a condition experienced or perceived by said patient.

29. The computer readable media of claim 18, further comprising computer executable instructions for ranking said plurality of questions in accordance with said estimated score;

and selecting a question from said plurality of questions based on said ranking that has not been administered to said patient.

30. The computer readable media of claim 29, further comprising computer executable instructions for selecting a highest rank question.

31. The computer readable media of claim 18, further comprising computer executable instructions for selecting said questions for said domain from a database having questions and answers pertaining to a plurality of domains.

32. The computer readable media of claim 18, further comprising computer executable instructions for providing a list of possible answers for each question to said patient.

33. The computer readable media of claim 18, further comprising computer executable instructions for statistically analyzing said answers provided by said patient for errors or consistency.

34. The computer readable media of claim 27, further comprising computer executable instructions for statistically analyzing said answers provided by said patient for estimating non-responsive answers to said test.

35. The computer readable media of claim 18, further comprising computer executable instructions for administering said test to said patients over a network, wherein said network is one of the following:

an Internet, an intranet, a telephone network, and a wireless network.

36. The computer readable media of claim 27, further comprising computer executable instructions for generating said report over a network.

37. The computer readable media of claim 18, wherein said domain includes at least one of the following:

severity of headaches, level of depression, degree of personal mobility, self-perceived status, effectiveness of a treatment, physical health, emotional health, impact of asthma, job satisfaction, opinion polling, personality test, customer satisfaction and general overall health.

22. A computer based system for assessing the health status or health care of a patient, comprising:

a microprocessor configured;

to generate a customized test, based on a respondent'"'"'s characteristics and one or more domains selected by the respondent or test provider, said test having a plurality of questions for said respondent in accordance with said selected domains;

to administer said test by providing one question at a time to said respondent; and

to evaluate answers, after each question, provided by said respondent to administered questions to estimate a score and a confidence level in the accuracy of said estimated score;

to vary a threshold, after each question, as a function of said estimated score during administration of said test to said respondent; and

to dynamically modify said test being administered to said respondent based on an answer provided to an immediately prior question if said estimated confidence level is outside said threshold;

an interface associated with said microprocessor for presenting said test to said respondent and for receiving said answers provided by said respondent; and

a database associated with said processor for storing said customized test, said plurality of questions; and

said answers provided by said respondent.

23. The system of claim 22, wherein said microprocessor is further configured to terminate said administration of said test if it is determined that said estimated confidence level is within said threshold as part of evaluating said answers provided by said respondent.

24. The system of claim 22, wherein said domain is one or more health related or non-related conditions.

25. The system of claim 24, wherein said domain includes at least one of the following:

severity of headaches, level of depression, degree of personal mobility, self-perceived status, general overall health, effectiveness of a treatment, job satisfaction, opinion polling, personality test, and customer satisfaction.

26. The system of claim 22, wherein said microprocessor is further configured to administer said test before a variable is introduced, wherein said variable includes one of the following:

a pharmaceutical, drug composition change, therapeutic method, health care provider, health care regiment, environmental change, lifestyle change, or work change, and further configured to readminister said test after said variable is introduced as part of administering said test; and

wherein said microprocessor is further configured to compare resultant data obtained from each separate administration of said test, wherein said resultant data is indicative of efficacy or impact of the introduction of said variable on said health status or health care of said respondent.

38. A computer readable media comprising computer executable instructions for:

generating a customized test, based on a respondent'"'"'s characteristics and one or more domains selected by the respondent or test provider, said test having a plurality of questions for said respondent in accordance with said selected domains;

administering said test by providing one question at a time to said respondent;

evaluating answers, after each question, provided by said respondent to administered questions to estimate a score and a confidence level in the accuracy of said estimated score;

varying threshold, after each question, as a function of said estimated score during administration of said test to said patient; and

dynamically modifying said test being administered to said patient based on an answer provided to an immediately prior question if said estimated confidence level is outside said threshold.

39. The computer readable media of claim 38, further comprising computer executable instructions for terminating said administration of said test if it is determined that said estimated confidence level is within said threshold.

40. The computer readable media of claim 38, wherein said domain is one or more health related or non-related conditions.

41. The computer readable media of claim 40, wherein said domain includes at least one of the following:

severity of headaches, level of depression, degree of personal mobility, self-perceived status, general overall health, effectiveness of a treatment, job satisfaction, opinion polling, personality test, and customer satisfaction.