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Table 4 Comparisons between patients with and without associated vascular injuries in patients with the same hemodynamic and pelvic ring stability statuses (minor WSES class: stable hemodynamics and stable pelvic ring injury; moderate WSES class: stable hemodynamics and unstable pelvic ring injury)

From: Accuracy of the WSES classification system for pelvic ring disruptions: an international validation study

Outcomes Vascular injury (+) Vascular injury (−) p value
Minor (N = 37,785) N = 508 N = 37,277  
 Mortality (N, %) 50 (9.8%) 627 (1.7%) < 0.001
 LOS (day) 13.7 ± 13.8 7.0 ± 7.8 < 0.001*
 ICU LOS (day) 6.6 ± 9.3 0.7 ± 4.7 < 0.001*
Moderate (N = 3638) N = 219 N = 3,419  
 Mortality (N, %) 29 (13.2%) 111 (3.2%) < 0.001
 LOS (day) 19.9 ± 23.3 11.1 ± 12.2 < 0.001*
 ICU LOS (day) 9.7 ± 13.3 3.1 ± 7.2 < 0.001*
  1. Numerical data: mean (standard deviation); Nominal data: N (percentage)
  2. WSES = World Society of Emergency Surgery, LOS = length of stay, ICU = intensive care unit
  3. *Student t test, Chi-square test