Table 2.
Raw agreement proportion (%) | Cohen’s kappa | 95% CI | ||
---|---|---|---|---|
Overall |
106/120 |
(88) |
0.86 |
0.80 – 0.93 |
Hip† |
9/11 |
(82) |
|
|
Knee‡ |
97/109 |
(89) |
0.87 |
0.79 – 0.94 |
Osteoarthritis |
41/43 |
(95) |
|
|
ACL tear |
12/12 |
(100) |
|
|
Meniscal injury |
18/20 |
(90) |
|
|
Patellofemoral syndrome | 12/14 | (86) |
† Cohen’s kappa could not be calculated because of high concordance and small number of hip cases (n=11).
‡ For knee disorders, raw agreement proportions (%) for selected common knee pathologies are also presented.