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Table 1 Characteristics of 46,450 patients treated for pelvic and/or acetabular fracture, National trauma data bank research dataset, 2007–2010

From: Complications of pelvic and acetabular fractures in 1331 morbidly obese patients (BMI ≥ 40): a retrospective observational study from the National Trauma Data Bank

Characteristic Controla (N = 45,119) Morbidly Obese (N = 1331) p Value
N % N %
Fracture type
 Pelvic only 21,238 47.1 324 24.3 < 0.001
 Acetabular only 15,904 35.2 761 57.2
 Pelvic and acetabular 7977 17.7 246 18.5
Male sex 25,496 56.5 654 49.1 < 0.001
Race
 White 33,654 75 959 72 < 0.001
 Black 4898 11 206 15
 Hispanic 706 1.6 10 0.75
 Other 3858 8.5 84 6.3
 Unknown 2003 4.4 72 5.4
Mechanism of trauma
 Motor vehicle collision 14,559 32 776 58 < 0.001
 Fall 18,766 42 336 25
 Struck pedestrian 2168 5.4 33 2.7
Injury Severity Score
 0–8 21,454 47.5 536 40.3 < 0.001
 9–15 23,665 52.4 795 59.7
Age group, years
 16–24 6789 15.0 167 12.5 < 0.001
 25–44 11,000 24.4 458 34.4
 45–64 11,973 26.5 429 32.2
 65–85 15,357 34.0 277 20.8
Procedure type
 External fixation 490 4.56 28 4.82 0.771
 Internal fixation 299 2.78 18 3.10 0.653
 ORIF 10,283 95.7 561 96.6 0.319
Needing operative fixation
 All 10,745 23.8 581 43.6 < 0.001
  Pelvic fracture 1401 6.60 44 13.6 < 0.001
  Acetabular fracture 6605 41.5 415 54.5 < 0.001
  Both fractures 2739 34.3 122 49.6 < 0.001
  1. ORIF, open reduction and internal fixation
  2. aPatients with body mass index values < 40