TABLE 1.

Patient Demographics and Adjusted^* In-Hospital Mortality Rates With Selected Relative Risks

Variable	Category	Total (n = 7,540), n (%)	Unadjusted Mortality Rate (95% CI), %	Adjusted Mortality Rate (95% CI), %
Age, y	18 to 64	6,668 (88)	1.11 (0.88–1.39)	0.64 (0.47–0.87)
	65+	872 (12)	3.56 (2.50–5.06)	2.92 (1.91–4.46)
Sex	Female	2,314 (31)	1.64 (1.19–2.26)	0.70 (0.45–1.08)
	Male	5,226 (69)	1.28 (1.01–1.63)	0.74 (0.52–1.04)
Race	White	4,821 (64)	1.70 (1.37–2.11)	0.90 (0.65–1.25)
	Black	1,212 (16)	0.70 (0.39–1.43)	0.54 (0.27–1.06)
	Hispanic	720 (10)	0.40 (0.13–1.29)	0.25 (0.08–0.81)
	Other	787 (10)	1.40 (0.77–2.52)	0.80 (0.42–1.50)
Deyo-Charlson comorbidity index	DC = 0	6,819 (90)	1.33 (1.09–1.64)	0.73 (0.53–1.01)
	DC = 1+	721 (10)	1.94 (1.15–3.28)	0.64 (0.34–1.19)
ISS	9	2,796 (37)	0.82 (0.55–1.24)	0.47 (0.31–0.74)
	10 to 15	2,421 (32)	0.66 (0.41–1.08)	0.64 (0.41–1.02)
	16 to 25	1,264 (17)	1.90 (1.28–2.82)	1.80 (1.23–2.62)
	26+	1,059 (14)	3.97 (2.95–5.33)	3.57 (2.63–4.85)
Fracture type	Closed	6,340 (80)	1.37 (1.11–1.69)	—
	Open	1,200 (16)	1.50 (0.94–2.38)	—
Procedure	CRIF (79.15)	2,279 (30)	1.36 (0.96–1.93)	—
	ORIF (79.35)	5,261 (70)	1.41 (1.12–1.77)	—
Surgical timing	≤12 h	4,003 (53)	1.15 (0.86–1.53)	—
	>12 h to 24 h	1,751 (23)	0.80 (0.47–1.35)	—
	>24 h to 48 h	1,027 (14)	1.36 (0.81–2.30)	—
	>48 h to 30 d	759 (10)	4.08 (2.87–5.81)	—

^*Adjusted for all variables in the model: surgical timing, ISS, patient age, sex, race, DC-CI, surgical procedure used to treat, and fracture type.

CRIF closed reduction internal fixation; DC-CI, Deyo-Charlson comorbidity index; ORIF, open reduction internal fixation.