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|
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
|
- ORIF, open reduction and internal fixation
- aPatients with body mass index values < 40
