. Author manuscript; available in PMC: 2013 Jul 1.

Published in final edited form as: Crit Care Med. 2012 Jul;40(7):2116–2123. doi: 10.1097/CCM.0b013e3182514bca

Table 2.

Multivariate analysis for the development of acute kidney injury.

	OR (95% CI)	P-Value
APACHE III score	1.03 (1.03-1.04)	<0.0001
Body mass index (kg/m²)
Underweight	0.85 (0.48-1.53)	0.596
Normal weight (reference)	1.0
Overweight	1.35 (1.00-1.81)	0.047
Obese	1.68 (1.21-2.33)	0.002
ICUs
Medical ICUs (reference)	1.00
Surgical ICUs	0.59 (0.44-0.79)	0.0004
Others	0.63 (0.35-1.15)	0.133
Source of infection
Lung (reference)	1.00
Abdomen	1.53 (1.03-2.27)	0.036
Urinary tract	1.73 (0.98-3.06)	0.060
Skin/soft tissue	1.66 (0.99-2.80)	0.056
Others	0.82 (0.49-1.36)	0.444
Unknown	2.34 (1.25-4.39)	0.008
Multiple sources	1.02 (0.72-1.45)	0.905
Platelet (10³/mm³)	0.998 (0.997-0.999)	<0.0001
Pre-ICU hospital stay >48 hours	0.74 (0.57-0.96)	0.021
Receiving vasopressors for >48 hours	1.30 (1.01-1.68)	0.041

Definition of abbreviations: OR=odds ratio; CI=confidence interval; APACHE=Acute Physiology and Chronic Health Evaluation; ICU=intensive care unit.