Table 4.

Results of Multivariable Analyses for Risk Factors Associated With Any Adverse Event and Readmission.

Outcome/Risk Factor	Odds Ratio (95% Confidence Interval)	P Value
Readmission
History of pulmonary disease	2.29 (1.37-3.83)	.002
ASA class ≥3	2.28 (1.51-3.46)	<.001
Open fracture	2.04 (1.03-4.02)	.040
Modified CCI ≥4	1.80 (1.18-2.74)	.007
Any adverse event
Open fracture	3.01 (1.90-4.75)	<.001
History of pulmonary disease	2.16 (1.48-3.16)	<.001
ASA class ≥3	1.81 (1.32-2.49)	<.001
Nonindependent functional status	1.73 (1.11-2.71)	.016
Modified CCI ≥4	1.72 (1.25-2.37)	.001
Hypertension	1.42 (1.04-1.93)	.027

ASA, American Society of Anesthesiologists; CCI, Charlson comorbidity index.