The effect of ulinastatin on acute kidney injury in patients undergoing off-pump cardiac bypass surgery

Table 6 Univariate and multivariate linear regression analysis for factors affecting length of ICU stay in patients treated with ulinastatin

	Univariate		Multivariate
	Coefficient ± SE	P value	Coefficient ± SE	P value
Ulinastatin	− 2.31 ± 0.77	0.003*	− 2.31 ± 0.75	0.002*
Age (years)	0.062 ± 0.34	0.068	Eliminated
Sex (Male)	− 0.23 ± 1.05	0.830	Eliminated
Hypertension	0.49 ± 0.76	0.516	Eliminated
Diabetes	1.38 ± 0.74	0.064	Eliminated
COPD	− 0.79 ± 3.71	0.831	Eliminated
EF < 40%	4.28 ± 1.00	< 0.001*	4.28 ± 0.99	< 0.001*
Hematocrit	− 0.099 ± 0.076	0.197	Eliminated
Baseline creatinine(mg/dL)	4.11 ± 1.75	0.020*	Eliminated
Blood loss (mL)	0.0010 ± 0.0011	0.377	Eliminated
Input fluid (mL)	0.43 ± 0.34	0.209*	Eliminated
Number of intraoperative hypotension event	0.41 ± 0.22	0.064	Eliminated
RBC transfusion (unit)	0.44 ± 0.31	0.157	Eliminated
Urine (mL)	0.77 ± 0.79	0.329	Eliminated

P value* < 0.05 indicates statistical significance
COPD Chronic obstructive pulmonary disease, EF Ejection fraction RBC Red blood cell

ISSN: 1749-8090