Variation in rates of ICU readmissions and post-ICU in-hospital mortality and their association with ICU discharge practices

Table 3 Rates of individual practices and odds ratios of univariate association with patient outcomes

Individual practice rates in isolation
Practices	n (%)	Case-mix adjusted^a readmission rate OR (95% CI)	p-value^b	Case-mix adjusted^a post-ICU mortality rate OR (95% CI)	p-value^b
Discharge criteria	53 (70.7)	0.95 (0.75–1.21)	0.6775	1.02 (0.83–1.24)	0.8541
Bed manager	71 (94.7)	1.08 (0.80–1.46)	0.6164	0.93 (0.52–1.68)	0.8128
Early discharge planning	40 (53.3)	1.04 (0.84–1.28)	0.7011	1.03 (0.89–1.20)	0.6667
Medication reconciliation	39 (52.0)	0.95 (0.78–1.17)	0.6587	1.00 (0.86–1.16)	0.9722
Communication at handover	49 (65.3)	0.90 (0.73–1.11)	0.9912	1.08 (0.92–1.28)	0.9442
Step-down facilities	21 (28.0)	1.21 (0.98–1.50)	0.0823	1.16 (1.01–1.34)	0.0423
Monitoring of post-ICU patients	49 (65.3)	1.02 (0.81–1.27)	0.8822	0.91 (0.78–1.07)	0.2654
Consulting ICU nurse	70 (93.3)	0.87 (0.64–1.19)	0.3948	0.90 (0.67–1.23)	0.5120
Combined practices score (median (IQR))	6 (5–7)	1.00 (0.93–1.10)	0.994	1.02 (0.95–1.08)	0.59548
Number of practices incorporated
1	1 (1.3)
2	3 (4.0)
3	7 (9.3)
4	10 (13.3)
5	22 (29.3)
6	18 (24.0)
7	11 (14.7)
8	3 (4.0)

^aPatient-related confounding factors for which is corrected are age, admission type (medical or surgical), planned admission, mechanical ventilation in the first 24 h, logit transformed APACHE IV mortality probability
^bSignificant odds ratio after Bonferroni correction (p < 0.0056 (= p < 0.05/9))

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