infection type | Pearson χ2 Test | |||||
---|---|---|---|---|---|---|
mono [n / %] | poly [n / %] | germ-change [n / %] | [value / df] | p-value | ||
trauma / accident | pathological | 0 / 0 | 0 / 0 | 1 / 7.1 | 13.486 / 16 | 0.701 |
motorcycle | 1 / 4.5 | 0 / 0 | 1 /7.1 | |||
car accident | 5 / 22.7 | 1 / 16.7 | 1 / 7.1 | |||
fall > 3 m | 2 / 9.1 | 0 / 0 | 1 / 7.1 | |||
fall < 3 m | 7 / 31.8 | 3 / 50.0 | 5 / 35.7 | |||
pedestrian | 2 / 9.1 | 2 / 33.3 | 2 / 14.3 | |||
shot | 2 / 9.1 | 0 / 0 | 0 / 0 | |||
unknown | 1 / 4.5 | 0 / 0 | 3 / 21.4 | |||
bicycle | 2 / 9.1 | 0 / 0 | 0 / 0 | |||
antibiotics | unknown | 9 / 40.9 | 0 / 0 | 4 / 26.7 | 11.459 / 10 | 0.307 |
cefazolin | 8 / 36.4 | 5 / 83.3 | 7 / 46.7 | |||
ciprofloxacin | 1 / 4.5 | 0 / 0 | 1 / 6.7 | |||
cefazolin / gentamicin | 2 / 9.1 | 1 / 16.7 | 1 / 6.7 | |||
clindamycin | 0 / 0 | 0 / 0 | 2 / 13.3 | |||
ampicillin / sulbactam | 2 / 9.1 | 0 / 0 | 0 / 0 | |||
duration of initial antibiotic therapy | < 24 h | 2 / 14.3 | 0 / 0 | 1 / 10.0 | 2.857 / 4 | 0.643 |
24–72 h | 4 / 28.6 | 4 / 66.7 | 4 / 40.0 | |||
> 72 h | 8 / 57.1 | 2 / 33.3 | 5 / 50.0 | |||
metal in situ | no | 1 / 4.5 | 0 / 0 | 0 / 0 | 0.977 / 2 | 0.613 |
yes | 21 / 95.5 | 6 / 100 | 14 / 100 |