. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: J Thorac Cardiovasc Surg. 2015 Aug 28;150(5):1254–1260. doi: 10.1016/j.jtcvs.2015.08.071

Table 4.

Hierarchical generalized linear model for 30-day readmission

Variable	OR	CI	p-value	F test
Induction chemotherapy	1.46	1.03 – 2.06	0.032	4.64
Discharge to home	0.79	0.52 – 1.19	0.257	1.29
Sex (female)	1.24	0.84 – 1.83	0.275	1.19
Charlson-Deyo score	1.14	0.89 – 1.46	0.309	1.04
Surgery year	0.96	0.88 – 1.06	0.421	0.65
Age (10 year increment)	0.99	0.73 – 1.36	0.974	0
Postoperative LOS
LOS < 20 days	1.02	0.98 – 1.06	0.373	0.80
LOS ≥ 20 days	0.99	0.94 – 1.04	0.671	0.18

LOS: length of stay