. Author manuscript; available in PMC: 2014 Nov 17.

Published in final edited form as: Transfusion. 2014 Jun 18;54(10 0 2):2668–2677. doi: 10.1111/trf.12752

TABLE 6.

Multivariate predictors of any morbid outcome^* or death

Independent variables	All inpatients		Medical inpatients		Surgical inpatients
Independent variables	OR (95% CI)	p value	OR (95% CI)	p value	OR (95% CI)	p value
Bloodless care	1.02 (0.68–1.53)	0.91	1.12 (0.66–1.84)	0.66	1.04 (0.51–2.05)	0.91
APR-DRG complexity (per 1 unit)	3.52 (2.87–4.34)	<0.0001	2.54-(1.91–3.41)	<0.0001	4.45 (3.32–6.12)	<0.0001
Age (per year)	1.014 (1.006–1.022)	0.0005	1.017 (1.007–1.028)	0.002	1.011 (0.999–1.023)	0.07
Obesity	1.44 (0.91–2.24)	0.11	2.21 (1.26–3.80)	0.004	0.73 (0.32–1.56)	0.43
Male sex	0.84 (0.60–1.17)	0.30	0.70 (0.43–1.15)	0.17	0.77 (0.46–1.26)	0.30

Morbid outcomes include infection, thrombotic, renal, respiratory, and myocardial infarction.