Total population | First group n = 75 | Second group n = 71 | Statistic test |
Age (years) | 46 (range 21 - 78) | 48 (range 25 - 83) | n.s. (Mann-Whitney-U test) |
Right/left side | 39/36 | 28/43 | n.s. (Fisher’s test) |
Male/female | 60/15 | 58/13 | n.s. (Fisher’s test) |
ASA classification 1/2 3 |
38/36 1 |
40/26 5 |
n.s. (Chi-square test) |
Duration of surgery (min) | 43 (range 15 - 84) | 24 (range 15 - 60) | p = 0.0001 (Mann-Whitney-U test) |
Time of hospitalisation (days) | 4 (range 2 - 8) | 3 (range 2 - 6) | p = 0.0001 (Mann-Whitney-U test) |
Time between accident and skin incision (hours) | 77 (range 5 - 168) | 60 (range 10 - 165) | n.s. (Mann-Whitney-U test) |