Table 2. Risk Factor Subset Analysis.
| Factor | Studies, No. | No. Infected/Total No. (%) | Odds Ratio (95% CI) | P Value | I2, % |
|---|---|---|---|---|---|
| Smoking status | 9 | 246/2562 (9.6) | |||
| Smoker | 121/801 (15.1) | 1.99 (1.51-2.62) | <.001 | 0 | |
| Nonsmoker | 125/1761 (7.6) | 1 [Reference] | |||
| Diabetes status | 10 | 237/2826 (8.4) | |||
| With diabetes | 35/244 (14.3) | 1.70 (1.15-2.53) | .008 | 0 | |
| Without diabetes | 202/2582 (7.8) | 1 [Reference] | |||
| Sex | 9 | 206/2765 (7.5) | |||
| Men | 158/1790 (8.8) | 1.98 (1.41-2.78) | <.001 | 14.51 | |
| Women | 48/975 (4.9) | 1 [Reference] | |||
| Compartment syndrome status | 7 | 193/1636 (11.8) | |||
| With compartment syndrome | 44/130 (33.8) | 4.22 (2.80-6.37) | <.001 | 0 | |
| Without compartment syndrome | 149/1506 (9.9) | 1 [Reference] | |||
| Fracture type | 11 | 232/2225 (10.4) | |||
| Open | 61/253 (24.1) | 3.45 (2.45-4.85) | <.001 | 16.71 | |
| Closed | 171/1972 (8.7) | 1 [Reference] |