Category Specific factor | COPD | Depression | DM | HTN | OA | Total |
---|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n(%) | n (%) | n (%) | |
Coding | Â | Â | Â | Â | Â | Â |
Diagnosis not coded due to multi-problem visit | - | 1(3) | - | 1(7) | 13(12) | 15(9) |
Use of non-specific ICD-9 code | - | - | - | - | 13(10) | 13(8) |
Formatting (e.g. missing decimal place) | - | - | - | - | 4(4) | 4(2) |
Terminology | Â | Â | Â | Â | Â | Â |
Alternate terminology used | - | - | - | 1(7) | 17(16) | 18(11) |
Access Limitations | Â | Â | Â | Â | Â | Â |
Diagnosis record limited to free text fields | 3(43) | 15(48) | 4(40) | 6(43) | 47(45) | 75(45) |
Diagnosis confirmed from inaccessible investigations or documents | 2(29) | - | - | 2(14) | 14(13) | 18(11) |
Not detected from problem list | - | 1(3) | - | - | 2(2) | 3(1) |
Data missing after extraction/cleaning | - | 6(19) | 1(10) | - | 30(29) | 37(22) |
Case Definition | Â | Â | Â | Â | Â | Â |
Indicators excluded due to co-existing condition | 2(29) | 7(23) | - | 4(29) | - | 13(8) |
Insufficient frequency of indicator (e.g. limited visits or labs) | - | - | 5(50) | 2(14) | - | 7(4) |
Medications | Â | Â | Â | Â | Â | Â |
Medication not included in case definition | 1(14) | 9(29) | - | 7(50) | - | 17(10) |
Validation Factors | Â | Â | Â | Â | Â | Â |
Uncertainty of presence of diagnosis after abstraction | - | - | 1(10) | - | - | 1(1) |
Total Discordant Cases (Chart Review +/CPCSSN-)* | 7(100) | 31(100) | 10(100) | 14(100) | 105(100) | 167(100) |