Table IV.

Logistic regression predicting patient development of gangrene for COVID-19-only patients and COVID-19 and nonCOVID-19 patients

	COVID-19-onlya	COVID-19- onlya	P	Total patientsb	Total patientsb	Pc
	OR N = 249	95% CI N = 249		OR N = 249	95% CI N = 249
BMI	0.970	0.877–1.073	0.558	0.966	0.879–1.061	0.466
COVID-19	-	-	-	18.237	1.187–280.2	0.037
Diabetes Mellitus (%)	13.3	0.677–260.993	0.088	13.214	0.752–232.27	0.078
Hyperlipidemia	3.775	0.488–29.21	0.203	6.088	0.863–42.97	0.070
Smoking	22.51	2.021–250.73	0.011	35.40	3.164–396.05	0.004
Hospital Length of Stay	0.897	0.847–0.950	<0.001	0.893	0.841–0.950	<0.001
Therapeutic Anticoagulation Started (%)	1.259	0.081–19.572	0.869	0.772	0.046–13.06	0.858
Timing of Anticoagulation	0.082	0.006–1.119	0.061	0.095	0.008–1.136	0.063
Arterial Disease	0.321	0.022–4.577	0.402	1.191	0.143–9.909	0.871
Hypercoagulable State	0.086	0.001–36.585	0.426	0.041	0.001–4.126	0.175

Significant values are bolded.

^aTotal cases analyzed = 249. A Hosmer-Lemeshow test indicated that model fit was good (chi-square with 8 df = 6.077, P = 0.639).

^bTotal cases analyzed = 489. A Hosmer-Lemeshow test indicated that model fit was good (chi-square with 8 df = 3.771, P = 0.877).