Table 4.

Results from Bayesian multilevel logistic regression analysis: association of skill mix and care processes of community hospitals with the study outcomes, Emilia-Romagna, year 2017. Odds ratio (OR) estimates are adjusted for patient-level characteristics listed in Table 3.

PREDICTOR	BARTHEL SCORING IMPROVEMENT ≥10		TRANSFER TO ACUTE CARE HOSPITAL		LENGTH OF STAY ≥20 DAYS
	POSTERIOR OR	95% CRED. INTERVAL	POSTERIOR OR	95% CRED. INTERVAL	POSTERIOR OR	95% CRED. INTERVAL
Medical support (specialist vs GP)	1.66	0.28–6.71	0.79	0.45–1.31	0.51	0.15–1.22
Years of operation (≥2 vs <2)	1.16	0.23–3.91	0.95	0.55–1.51	1.24	0.46–2.85
Nurses’ working hours/week/bed (>12 vs ≤12)	0.94	0.14–3.72	1.20	0.70–2.00	1.39	0.47–3.26
Patients/year (≥150 vs <150)	3.78	0.59–13.6	0.61	0.33–1.07	1.02	0.31–2.54
Variance Partition Coefficient (VPC)	0.285		0.055		0.143