Table 4.
Factors associated with mortality in unadjusted comparison
| Variable | Operated ≤ 72-h (n = 40) | Operated > 72-h (n = 30) | p value | 
|---|---|---|---|
| Male gender (n, %) | 22 (55) | 21 (70) | 0.304 | 
| Age, mean (years) (range) | 75.2 (65–95.4) | 77.2 (65.1–88.9) | 0.146 | 
| CCI, mean (range) | 4.4 (2–8) | 5.0 (2–11) | 0.387 | 
| Mechanism (n, %) | |||
| Fall < 2 m | 21 (52.5) | 18 (60) | 0.702 | 
| Fall > 2 m | 6 (15) | 5 (17) | 1 | 
| RTA | 13 (32.5) | 6 (20) | 0.372 | 
| Assault | 0 (0) | 1 (3) | 0.429 | 
| Fracture type (n, %) | |||
| Acetabular | 27 (68) | 26 (65) | 0.117 | 
| Pelvis | 13 (33) | 4 (10) | 0.092 | 
| Polytrauma (n, %)a | 18 (45) | 5 (17) | 0.025* | 
| LOS, mean (days) (range) | 19.95 (3–157) | 24.03 (8–86) | 0.002* | 
| LOS post op, mean (days) (range) | 18.6 (2.3–157) | 17.4 (4.2–82) | 0.203 | 
| LOS ICU, mean (days) (range) | 2.77 (0–25) | 2.93 (0–29) | 0.727 | 
| Pre-op mobility status (n, %) | |||
| Independent | 21 (52.5) | 17 (57) | 0.973 | 
| With aid | 16 (40) | 13 (43) | 0.972 | 
| Not specified | 3 (7.5) | 0 (0) | 0.255 | 
| Mortality (n, %) | |||
| At 30 days | 1 (2.5) | 1 (3) | 1 | 
| At 90 days | 3 (7.5) | 2 (7) | 1 | 
| At 1 year | 8 (20) | 6 (20) | 1 | 
*Statistically significant results
aPolytrauma defined as ISS > 15