Table 4 Accuracy, defined as the agreement between the classification in the SFR compared with the gold standard classification regarding distal radial fractures. As presented in Fig. 1, the AO/OTA group includes the 23A2 subgroups
From: Validity of classification of distal radial fractures in the Swedish fracture register
Accuracy | ||
|---|---|---|
PA | Kappa (95% CI) | |
AO/OTA group, including A2 subgroup (4–5 signs) | 50% | 0.41 (0.31–0.51) |
AO/OTA type (3 signs) | 70% | 0.48 (0.36–0.61) |