Table 3.

Multivariate analysis

Characteristic	Crude risk ratio (95% CI)	P value	Adjusted risk ratio (95% CI)	P value
Sex
Female	1		1
Male	1.07 (0.94 to 1.21)	0.293	1.15 (1.01 to 1.31)	0.044
HIV status
No	1		1
Yes	0.94 (0.82 to 1.0.7)	0.341	0.84 (0.72 to 0.97)	0.019
LIPS
Low	1		1
High (6 or more)	1.67 (1.14 to 2.44)	0.009	1.79 (1.14 to 2.83)	0.012
Heart rate
Normal	1		1
Abnormal (>100)	1.05 (0.88 to 1.24)	0.602	1.07 (0.89 to 1.29)	0.448
MAP
Normal	1		1
Abnormal (<65)	1.25 (1.13 to 1.39)	<0.001	1.09 (0.98 to 1.22)	0.125
SpO2%
Normal (85+)	1		1
Abnormal (<85)	1.33 (1.15 to 1.54)	<0.001	1.29 (1.10 to 1.51)	0.001
HBG/dl
Normal	1		1
Abnormal (<8)	1.11 (0.97 to 1.26)	0.124	1.15 (1.01 to 1.31)	0.028
Platelet count (×109/ul)
Normal	1		1
Abnormal (<100)	1.30 (1.17 to 1.44)	<0.001	1.23 (1.11 to 1.38)	<0.001

LIPS, Lung Injury Prediction Score; MAP, mean arterial pressure.