Table 4. Regression of pulmonary complication.

Variable	Univariate	Multivariate	Odds ratio	95% CI
	p value	p value
Anesthetics (TIVA)	0.0004a	0.031b	0.41	0.18–0.92
Mean CVP	0.357	-	-
Total U/O, ml	0.648	-	-
Total crystalloid, ml	0.163 a	-	-
Total colloid	0.005 a	0.455
Blood loss, ml	0.347	-	-
I/O, ml	0.006 a	0.274
Anesthesia duration, hr	0.019 a	0.211

^aVariables enrolled into multivariate regression analysis if a univariate p < 0.1

^b p < 0.05 as significant; NS, nonsignificant