Inter-rater reliability measures | Ahmad Shah Baba | Kunduz Trauma Centre | Martissant Emergency Centre | Tabarre Surgical and Trauma Centre |
Point estimates (95% CI) | ||||
ICC | 0.50 (0.37 to 0.66) | 0.60 (0.48 to 0.74) | 0.59 (0.46 to 0.73) | 0.58 (0.44 to 0.73) |
QWK | 0.50 (0.37 to 0.66) | 0.59 (0.22 to 0.77) | 0.59 (0.32 to 0.78) | 0.61 (0.32 to 0.79) |
LWK | 0.44 (0.16 to 0.69) | 0.46 (0.21 to 0.66) | 0.50 (0.27 to 0.70) | 0.48 (0.23 to 0.68) |
UWK | 0.40 (0.26 to 0.53) | 0.33 (0.23 to 0.41) | 0.41 (0.31 to 0.48) | 0.35 (0.23 to 0.47) |
Level of agreement* | ||||
ICC | Moderate | Moderate | Moderate | Moderate |
QWK | Moderate | Moderate | Moderate | Substantial |
Intrarater reliability measures, % (min-max) | ||||
Mean exact agreement | 68 (40–90) | 71 (40–100) | 74 (40–90) | 73 (50–90) |
Mean agreement with one-degree discrepancy | 96 (80–100) | 99 (90–100) | 97 (60-100) | 96 (70-100) |
*According to the Landis and Koch criteria.11
ICC, intraclass correlation coefficient; LWK, linearly weighted kappa; QWK, quadratically weighted kappa; SATS, South African Triage Scale; UWK, unweighted kappa.