Table 5.

Variables independently associated with readmission from multiple logistic regression analysis. Length of stay for categories 3–7 days and >7 days was compared to <3 days.

Variable	Coefficient	Std. Error	p-value	Odds Ratio	95% CI
Age (per 10 years)	0.181	0.0344	0.0001	1.2	1.12 – 1.28
Length of stay 3–7 days	0.27	0.144	0.061	1.31	0.99 – 1.74
Length of stay >7 days	0.388	0.189	0.041	1.47	1.02 – 2.14
Digestive system	-0.45	0.248	0.069	0.64	0.39 – 1.04
Musculoskeletal system	-0.95	0.33	0.004	0.39	0.20 – 0.74