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

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

Characteristic	Control^a (N = 45,119)		Morbidly Obese (N = 1331)		p Value
Characteristic	N	%	N	%	p Value
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	< 0.001
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

ISSN: 1754-9493