Table 5 Inter-rater agreement, RC1 (1st abstraction) vs. RC2
From: Reliability of medical record abstraction by non-physicians for orthopedic research
Data elements | Kappa | 95% CI | % Agreement |
|---|---|---|---|
Index knee | 1.00 | (1.00, 1.00) | 100 |
Bilateral operation | 1.00 | (1.00, 1.00) | 100 |
Arthroplasty approach type | 0.49 | (0.00, 1.00) | 97.3 |
Cement fixation | - | - | 100 |
Lateral release type | 0.66 | (0.49, 0.83) | 86.3 |
Posterior cruciate ligament recession | 0.79 | (0.64, 0.95) | 91.8 |
Knee alignment | 0.66 | (0.52, 0.79) | 77.5 |
Knee predominant compartment | 0.65 | (0.49, 0.80) | 80.3 |