Table 5

Factors contributing to operative delay >48 h

	OR	95% CI	P value
Demographics
65–74 years	Reference	–	–
75–84 years	0.89	0.75 to 1.04	0.16
≥85 years	0.94	0.79 to 1.10	0.44
Male	1.43	1.27 to 1.61	<0.001
Female	Reference	–	–
White	Reference	–	–
Black	1.12	0.84 to 1.47	0.45
Other	0.99	0.64 to 1.51	0.95
Not insured	0.57	0.24 to 1.36	0.21
Hospital factors
Level 1	Reference	–	–
Level 2	1.04	0.54 to 1.97	0.34
Admitted to orthopedics	0.44	0.30 to 0.65	<0.001
Admitted to trauma	Reference	–	–
Admitted to other	0.85	0.63 to 1.14	0.27
Clinical measures
ISS: 9	Reference	–	–
ISS: 10	1.13	0.94 to 1.35	0.20
ISS: 11	1.75	1.1 to 2.77	<0.05
AIS chest=1	0.87	0.27 to 2.78	0.81
ED systolic BP: >90 mm Hg	Reference	–	–
ED systolic BP: 61–90 mm Hg	2.21	1.05 to 4.64	<0.05
ED systolic BP: ≤60 mm Hg	–
ED systolic BP: missing	1.65	1.29 to 2.11	<0.001
ED heart rate: 51–120 bpm	Reference	–	–
ED heart rate: >120 bpm	2.78	1.88 to 4.09	<0.001
ED heart rate: 0–50 bpm	1.2	0.58 to 2.50	0.62
ED heart rate: missing	1.18	0.88 to 1.56	0.26
Intubated	2.81	1.07 to 7.31	<0.05
Comorbidities
Functionally dependent health status	1.24	1.07 to 1.43	<0.01
Congestive heart failure	1.36	1.07 to 1.72	<0.05
Advanced directive limiting care	1.25	1.04 to 1.51	<0.05
Liver disease	0.91	0.61 to 1.36	0.65
Chronic renal failure	1.69	1.12 to 2.55	<0.05
COPD	1.08	0.85 to 1.38	0.54
Angina	0.65	0.31 to 1.37	0.26
Cerebrovascular accident	0.81	0.56 to 1.18	0.27
Steroid use	1.04	0.80 to 1.35	0.76

AIS, Abbreviated Injury Scale; BP, blood pressure; bpm, beats per minute; COPD, chronic obstructive pulmonary disease; ED, emergency department; ISS, Injury Severity Score; mm Hg, millimeters of mercury.;