Table 4.

Logistic regression for predictive factors of readmission

Logistic regression for readmission in patients undergoing primary total shoulder arthroplasty (N=12,982)
Variable		OR	95% CI	P value
Age
	Age <60	1 (Reference)	-	-
	Age 60-69	0.9	0.6-1.3	0.578
	Age 70-79	1.0	0.7-1.5	0.826
	Age ≥80	1.7	1.1-2.5	0.014
BMI
	<18.5	1 (Reference)
	18.5-24.9	1.0	0.4-2.9	0.991
	25-29.9	0.9	0.3-2.7	0.920
	30-34.9	1.1	0.4-3.0	0.905
	35-39.9	0.8	0.3-2.2	0.614
	≥40	1.3	0.4-3.7	0.647
ASA Class
	1	1 (Reference)	-	-
	2	4.9	0.6-38.7	0.128
	3	7.5	0.96-58.8	0.054
	4	14.0	1.7-113.4	0.013
Female gender		1.0	0.8-1.2	0.699
Diabetes		1.2	0.9-1.6	0.150
CHF*		3.4	1.6-7.2	0.002
Bleeding Disorder		1.8	1.2-2.9	0.010
Independent Functional Status		0.4	0.3-0.6	<0.001

* Congestive Heart Failure