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Table 2 Detection of the fracture type by each investigator

From: The V sign in lateral talar process fractures: an experimental study using a foot and ankle model

Fracture Type Detection: Investigator 1 Fracture Type Detection: Investigator 2 Kappa* (95% CI) P-value
No fracture (n [%]) Type A (n [%]) Type B (n [%]) Type C (n [%]) Total (n [%])
No fracture 26 (60) 9 (38) 3 (13) 4 (22) 42 (39) 0.37 (0.24–0.50) <0.001
Type A 7 (16) 12 (50) 6 (26) 2 (11) 27 (25)
Type B 6 (14) 3 (13) 11 (48) 2 (11) 22 (20)
Type C 4 (9) 0 (0) 3 (13) 10 (56) 17 (16)
Total 43 (100) 24 (100) 23 (100) 18 (100) 108 (100)   
  1. *Interobserver measure of agreement
  2. Kappa statistic