Table 1.
Comparison between the non-PPP group and the PPP group
| Total (N = 30) | Non-PPP (N = 16) | PPP (N = 14) | p-value | |
|---|---|---|---|---|
| Age (years) | 60.4 ± 18.8 | 60.9 ± 22.1 | 59.7 ± 15.0 | 0.82 |
| Male | 22 (73.3 %) | 10 (62.5 %) | 12 (85.7 %) | 0.23* |
| Injury severity score | 39.2 ± 8.1 | 32.2 ± 4.9 | 38.8 ± 8.3 | 0.92 |
| Associated injury (AIS >2) | 26 (86.7 %) | 13 (81.2 %) | 13 (92.9 %) | 0.60* |
| Systolic blood pressure on arrival (mmHg) | 89.1 ± 24.7 | 84.3 ± 24.1 | 94.6 ± 25.1 | 0.29 |
| Initial hemoglobin (g/dL) | 10.6 ± 2.2 | 10.7 ± 2.5 | 10.4 ± 1.8 | 0.73 |
| Initial lactate | 5.0 ± 3.1 | 5.2 ± 3.4 | 4.9 ± 2.8 | 0.92 |
| Red blood cell transfusion requirement over 4 h (units) | 13.9 ± 10.9 | 11.3 ± 6.5 | 16.9 ± 14.2 | 0.31 |
| Red blood cell transfusion requirement in the trauma intensive care unit (for 24 h) | 5 (0–17) | 1 (0–11) | 7 (0–17) | 0.09 |
| Pelvic angiography | 12 (40 %) | 5 (31.3 %) | 7 (50 %) | 0.30 |
| Time to emergency intervention (min) | 132.2 ± 62.4 | 194 ± 45 (n = 4) | 55 ± 27 (n = 10a) | <0.00 |
| Overall mortality | 11 (36.7 %) | 6 (37.5 %) | 5 (35.7 %) | 0.92 |
| Mortality due to hemorrhage | 8 (26.7 %) | 6 (37.5 %) | 2 (14.3 %) | 0.23* |
PPP, preperitoneal pelvic packing
a In three other cases, delayed PPP was excluded
* Fisher’s exact test