The probability of readmission within 30 days of hospital discharge is positively associated with inpatient bed occupancy at discharge – a retrospective cohort study

Table 1 Results from unadjusted and adjusted analysis

	Occ. at discharge	30-day readm.	Reg. coeff.	SE	Wald	p	OR	95 % CI low	95 % CI high
Main analysis Nagelkerke's R² = 0.030	<95 % (ref) N = 12,897	1162 (9.0 %)			21.41	<0.001	ref
	95–100 % N = 9,694	989 (10.2 %)	0.13	0.05	7.76	0.01	1.14	1.04	1.24
	100–105 % N = 7,946	857 (10.8 %)	0.21	0.05	18.69	<0.001	1.23	1.12	1.35
	>105 % N = 2,274	239 (10.5 %)	0.20	0.08	6.81	0.01	1.22	1.05	1.41
Adjusted for time of discharge Nagelkerke's R² = 0.033	<95 % (ref) N = 12,897	1162 (9.0 %)			11.49	0.01	ref
	95–100 % N = 9,694	989 (10.2 %)	0.11	0.05	5.19	0.02	1.11	1.01	1.22
	100–105 % N = 7,946	857 (10.8 %)	0.16	0.05	10.15	0.001	1.17	1.06	1.29
	>105 % N = 2,274	239 (10.5 %)	0.14	0.08	3.31	0.07	1.15	0.99	1.34

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