Table 2 Comparison of peri- and postoperative data between C-Nail and plate osteosynthesis

 Time between accident and operation (days)

11.6 ± 5.5

11.7 ± 6.4

11.6 ± 4.5

0.63

 Hospital stay (days), median

15.7 ± 18.2, 9

13.2 ± 12.4, 9

18.3 ± 22.6, 10

0.49

 Duration of operation (min), median

108.1 ± 32.1, 101

98.2 ± 27.8, 93

118.6 ± 33.2, 112

0.001

 CT postoperative performed (n)

72 (71%)

38 (73%)

34 (69%)

0.83

 Böhler’s angle postoperative, median

26.9 ± 6.5, 28

28.3 ± 6.0, 28

25.5 ± 6.7, 26

0.039

 Böhler’s angle postoperative in normal range (n)

85 (84%)

47 (90%)

38 (78%)

0.10

 Böhler’s angle difference post-preop., median

10.9 ± 8.8, 11.0

10.6 ± 8.3, 9.5

11.3 ± 9.4, 11.0

0.30

 Time duration of follow-up (months)

14.2 ± 12.3

14.0 ± 8.9

14.5 ± 15.2

0.22

 Full weight-bearing achieved (n)

89 (88%)

49 (94%)

40 (82%)

0.07

 Time duration to full weight-bearing (weeks), median

14.0 ± 7.2, 12

12.9 ± 8.5, 10

15.4 ± 5.0, 14

< 0.001

 Bone healing achieved

85 (84%)

45 (87%)

40 (82%)

0.59

 Time duration to bone healing (weeks), median

15.6 ± 11.3, 13

14.3 ± 13.2, 11

17.1 ± 8.7, 14

0.002

 Shoe inlay, orthopedic shoe

20 (22%)/42 (47%)

11 (22%)/21 (43%)

9 (22%)/21 (51%)

0.68

 Planned implant removal

33 (38%)

17 (35%)

16 (42%)

0.66

 Subtalar arthrosis

30 (37%)

12 (27%)

18 (49%)

0.07

 Subtalar arthrodesis

6 (7%)

2 (4%)

4 (11%)

0.40