Table 2 Data of the overall population and subgroups with/without SSI concerning fracture morphology and concomitant injuries
SSI group (n = 41) | Non-SSI group (n = 246) | Total (n = 287) | p | |||||
|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | |||
AO category | B | 8 | 19.5 | 142 | 57.7 | 150 | 52.3 | < 0.001 |
C | 33 | 80.5 | 104 | 42.3 | 137 | 47.7 | ||
AO subcategory | ||||||||
B1 | 2 | 4.8 | 24 | 9.8 | 26 | 9.1 | ||
B2 | 1 | 2.4 | 44 | 18.0 | 45 | 15.7 | ||
B3 | 5 | 12.2 | 74 | 30.3 | 79 | 27.5 | ||
C1 | 3 | 7.3 | 18 | 7.4 | 21 | 7.3 | ||
C2 | 6 | 14.6 | 12 | 4.9 | 18 | 6.3 | ||
C3 | 24 | 58.5 | 74 | 30.3 | 98 | 34.1 | ||
Concomitant injury of the affected knee | 22 | 53.6 | 96 | 36.4 | 118 | 41.1 | 0.01 | |
Compartment syndrome | 16 | 39.0 | 14 | 5.7 | 30 | 10.5 | < 0.001 | |
Open fracture | 9 | 22.0 | 7 | 2.9 | 16 | 5.6 | < 0.001 | |
Concomitant injury of other body region | 20 | 48.8 | 47 | 19.3 | 67 | 23.3 | < 0.001 | |
Polytrauma | 8 | 19.5 | 17 | 7.0 | 25 | 8.7 | 0.01 | |