Skip to main content

Table 6 Intra-observer agreement regarding distal radial fractures comparing the classification of each rater at the two different classification seminars. 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

  Intra-observer agreement
Rater 1 Rater 2 Rater 3
PA Kappa
(95%CI)
PA Kappa
(95%CI)
PA Kappa
(95%CI)
AO/OTA group including A2 subgroup
(4–5 signs)
60% 0.52
(0.42–0.62)
63% 0.54
(0.45–0.64)
75% 0.70
(0.62–0.79)
AO/OTA type
(3 signs)
87% 0.75
(0.64–0.86)
83% 0.71
(0.60–0.81)
84% 0.76
(0.66–0.85)
  1. PA Percentage of agreement, CI Confidence interval