Table 2.

Secondary analysis: associations of bedspacing with patient-centred outcomes, stratified by hospital

	Hospital 1		Hospital 2		Hospital 3
Outcomes	Estimate (95% CI)	P value	Estimate (95% CI)	P value	Estimate (95% CI)	P value
Unadjusted analyses
Length of stay (days)
25th percentile	0.3 (0.2 to 0.5)	<0.001	0.2 (0.1 to 0.4)	<0.001	−0.2 (−0.3 to −0.05)	0.004
50th percentile	0.3 (0.1 to 0.6)	0.003	0.7 (0.5 to 0.9)	<0.001	−0.2 (−0.4 to −0.05)	0.01
75th percentile	1.0 (0.6 to 1.4)	<0.001	1.2 (0.9 to 1.6)	<0.001	−0.3 (−0.7 to 0.05)	0.09
In-hospital mortality (OR)	1.0 (0.5 to 1.8)	0.9	0.9 (0.4 to 1.9)	0.7	1.0 (0.5 to 1.8)	0.98
Discharge to home (OR)	0.9 (0.8 to 0.99)	0.04	0.7 (0.6 to 0.8)	<0.001	1.3 (1.1 to 1.5)	<0.001
Adjusted analyses*
Length of stay (days)
25th percentile	0.2 (0.1 to 0.4)	<0.001	0.3 (0.1 to 0.4)	<0.001	−0.1 (−0.2 to 0.04)	0.2
50th percentile	0.4 (0.2 to 0.7)	<0.001	0.4 (0.2 to 0.6)	<0.001	−0.1 (−0.3 to 0.07)	0.3
75th percentile	1.0 (0.7 to 1.4)	<0.001	0.5 (0.2 to 0.9)	0.002	−0.1 (−0.4 to 0.2)	0.5
In-hospital mortality (OR)	0.9 (0.4 to 1.8)	0.7	0.4 (0.2 to 1.1)	0.07	1.2 (0.6 to 2.6)	0.6
Discharge to home (OR)	0.9 (0.8 to 1.0)	0.1	0.7 (0.6 to 0.8)	<0.001	1.2 (1.0 to 1.3)	0.04

^*Models were adjusted for: age, gender, race, ethnicity, insurance type, Elixhauser comorbidity scores, the Centers for Medicare and Medicaid Services four-level severity risk adjustment (based on admitting diagnosis, demographics and comorbidities), admission diagnosis category (from International Classification of Disease-9 [ICD-9] and ICD-10 codes), daily mean number of medicine service patients by hospital during the hospitalisation, hospital admission source, season and if a hospital admission occurred during a weekend.