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Table 4 Correctly identified V sign stratified by investigator and ankle position

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

Correctly Identified V Sign Ankle position (°) Total P-value*
0 (n [%]) 20 (n [%]) 40 (n [%])
  Inversion   
Investigator 1
 No 16 (44) 13 (36) 6 (17) 35 (32) 0.035
 Yes 20 (56) 23 (64) 30 (83) 73 (68)
 Total 36 (100) 36 (100) 36 (100) 108 (100)  
Investigator 2
 No 14 (39) 6 (17) 4 (11) 24 (22) 0.011
 Yes 22 (61) 30 (83) 32 (89) 84 (78)
 Total 36 (100) 36 (100) 36 (100) 108 (100)  
  Plantar flexion   
Investigator 1
 No 15 (42) 11 (31) 9 (25) 35 (32) 0.31
 Yes 21 (58) 25 (69) 27 (75) 73 (68)
 Total 36 (100) 36 (100) 36 (100) 108 (100)  
Investigator 2
 No 10 (28) 9 (25) 5 (14) 24 (22) 0.33
 Yes 26 (72) 27 (75) 31 (86) 84 (78)
 Total 36 (100) 36 (100) 36 (100) 108 (100)  
  Internal rotation   
Investigator 1
 No 10 (28) 15 (42) 10 (28) 35 (32) 0.35
 Yes 26 (72) 21 (58) 26 (72) 73 (68)
 Total 36 (100) 36 (100) 36 (100) 108 (100)  
Investigator 2
 No 6 (17) 10 (28) 8 (22) 24 (22) 0.53
 Yes 30 (83) 26 (72) 28 (78) 84 (78)
 Total 36 (100) 36 (100) 36 (100) 108 (100)  
  1. *Chi-squared test