Table 2.
Measures of agreement between self-and proxy-reports
| Poa % (95% CI) | Pposb % (95% CI) | Pnegc % (95% CI) | Kappa (95% CI) | |
|---|---|---|---|---|
| Myocardial infarction (N = 413) | 96 (94–98) | 77 (66–88) | 98 (97–99) | 0.75 (0.63–0.87) |
| Angina pectoris (N = 398) | 94 (91–96) | 76 (66–85) | 97 (95–98) | 0.73 (0.62–0.83) |
| Intermittent claudication (N = 408) | 96 (93–97) | 41 (19–64) | 98 (97–99) | 0.38 (0.15–0.60) |
| Heart failure (N = 394) | 91 (88–94) | 45 (30–61) | 95 (94–97) | 0.40 (0.23–0.56) |
| Atrial fibrillation (N = 400) | 90 (87–93) | 67 (57–77) | 94 (92–96) | 0.61 (0.50–0.72) |
| Hypertension (N = 386) | 81 (77–85) | 83 (79–87) | 78 (73–83) | 0.62 (0.54–0.69) |
| Diabetes mellitus (N = 407) | 96 (93–98) | 80 (71–89) | 98 (97–99) | 0.79 (0.69–0.88) |
aOverall agreement.
bPositive agreement.
cNegative agreement.