Table 3.
Observer A mean (SD) | Observer B mean (SD) | Interobserver difference mean (SD) | Intraclass correlation coefficient (CI) | Agreement (%) |
Limits of agreement | SDD* | ||
---|---|---|---|---|---|---|---|---|
±1 TP all men women | ±3 TP all men women | |||||||
Day 1 | 7.23 (4.61) | 7.10 (4.73) | −0.13 (2.30) | 0.77 (0.58 to 0.97) | 59 | 85 | −4.64; 4.72 | 5 |
67 | 95 | |||||||
50 | 72 | |||||||
Day 2 | 7.08 (4.95) | 7.41 (5.78) | 0.33 (2.08) | 0.84 (0.70 to 0.99) | 56 | 87 | −3.83; 4.50 | 5 |
57 | 90 | |||||||
56 | 83 |
Reliability estimated by the intraclass correlation coefficient.
*Smallest detectable difference.
SDD, smallest detectable difference; TP, tender points.