Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Patient characteristics of the trans-iliac trans-sacral screw group
Variable | Small pelvic incidence (N = 37) | Large pelvic incidence (N = 33) | p |
|---|---|---|---|
Basic data | |||
 Male/female (N, ratio) | 22/15 | 15/18 | 0.241 |
 Age (years, mean ± SD) | 39.14 ± 19.16 | 44.52 ± 19.02 | 0.243 |
 Body mass index (kg/m2, mean ± SD) | 23.33 ± 4.36 | 23.44 ± 4.37 | 0.913 |
Injury-related variables | |||
 Associated injuries | |||
  Brain (N) | 9 | 4 | 0.230 |
  Chest (N) | 9 | 11 | 0.405 |
  Abdomen (N) | 8 | 4 | 0.353 |
  Urogenital (N) | 13 | 5 | 0.056 |
  Extremities (N) | 22 | 18 | 0.678 |
  Spine (N) | 2 | 0 | 0.494 |
 AO/OTA classification |  |  | 0.279 |
  B2 (N) | 15 | 17 |  |
  B3 (N) | 13 | 8 |  |
  C1 (N) | 5 | 7 |  |
  C2 (N) | 3 | 0 |  |
  C3 (N) | 1 | 1 |  |
 Tile classification |  |  | 0.477 |
  B (N) | 28 | 25 |  |
  C (N) | 9 | 8 |  |
 Young–Burgess classification |  |  | 0.323 |
  APC (N) | 14 | 11 |  |
  LC (N) | 22 | 18 |  |
  VS (N) | 1 | 4 |  |
 Acetabular fracture (N) | 8 | 6 | 0.719 |
 Morel Lavallee (N) | 4 | 5 | 0.726 |
 ISS (mean ± SD) | 22.65 ± 9.46 | 15.47 ± 11.23 | 0.005* |
 NISS (mean ± SD) | 25.57 ± 9.85 | 20.06 ± 14.93 | 0.072 |
 Open fracture (N) | 5 | 2 | 0.434 |
Surgery-related variables | |||
 Injury-to-surgery interval (days, mean ± SD) | 9.27 ± 5.28 | 9.24 ± 11.72 | 0.990 |
Surgery position | |||
 Supine/prone (N, ratio) | 31/6 | 24/9 | 0.260 |
 Open/closed reduction (N, ratio) | 7/30 | 6/27 | 0.937 |