TABLE 2.
Comparison of the first positive HIV test from patient report, the medical record, and the North Carolina HIV/AIDS Reporting System.
| Characteristic | Year of Diagnosis Comparison |
||
|---|---|---|---|
| Patient Report vs. Medical Record | Patient Report vs. HIV/AIDS Reporting System | Medical Record vs. HIV/AIDS Reporting System | |
| Number of date pairs | 299 | 252 | 1,624 |
| Date pair comparison | |||
| Agree (same year) | 199 (66.6) | 128 (50.8) | 1,132 (69.7) |
| Disagree | 100 (33.4) | 124 (49.2) | 492 (30.3) |
| Level of Disagreement | |||
| 0 (match) | 199 (66.6) | 128 (50.8) | 1,132 (69.7) |
| 1 year | 57 (19.1) | 54 (21.4) | 164 (10.1) |
| 2 years | 17 (5.7) | 13 (5.2) | 60 (3.7) |
| 3 years | 9 (3.0) | 11 (4.4) | 33 (2.0) |
| 4 years | 7 (2.3) | 11 (4.4) | 38 (2.3) |
| 5 or more years | 10 (3.3) | 35 (13.9) | 197 (12.1) |
| Mean difference (SD) | −0.07 (SD 2.03) | −0.75 (SD 3.47) | −0.76 (SD 3.46) |
| Median difference (range) | 0 (−12 – 13) | 0 (−16 – 10) | 0 (−22 – 15) |
| Kappa statistic1 | 0.85 | 0.64 | 0.76 |
1
Weighted kappa statistic