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. 2015 Aug 25;474(6):1422–1429. doi: 10.1007/s11999-015-4525-1

Table 1.

Patient demographics

LC1
Demographic Surgical (n = 51) Nonoperative (n = 107) p value*
Sex M:21, F:30 M:53, F:54 0.394
Age (years) (mean ± SD) 35 ± 13.4 41 ± 21 0.064
Percent below poverty level 12 10.0 0.788
Preinjury narcotics (%) 9 (17.6%) 8 (7.5%) 0.096
Preinjury depression (%) 10 (19.6%) 20 (18.7%) 0.99
Ethnicity 36 white, 15 nonwhite 81 white, 26 nonwhite 0.561
CCI 1 1 0.543
LE AIS 3 3 0.389
LC2
Demographic Surgical (n = 45) Nonoperative (n = 78) p value*
Sex M:22, F:23 M:32, F:46 0.453
Age (years) (mean ± SD) 37 ± 15 45 ± 28 0.787
Percent below poverty level 9.8 9.8 0.99
Ethnicity 30 white, 15 nonwhite 59 white, 19 nonwhite 0.302
Preinjury narcotics (%) 5 (11.1%) 7 (9%) 0.757
Preinjury depression (%) 7 (15.6%) 11 (14.1%) 0.798
CCI 1 2 0.99
LE AIS 3 3 0.668

* Differences between means were evaluated using the Student’s t-test; differences in proportions for binary variables were evaluated using Fisher’s exact test; LC = lateral compression; CCI = Charlson Comorbidity Index; LE = lower extremity; AIS = Abbreviated Injury Score; M = male; F = female.