. 2015 Feb 9;9(1-2):e83–e92. doi: 10.5489/cuaj.2248

Table 5.

Factors affecting modified Clavien grading of complications in multivariate analysis

Parameter		Estimate	SE	p value	OR	95% CI of OR
Postoperative hemoglobin		−0.444	0.106	<0.0001	0.64	0.52–0.79
Postoperative hemoglobin drop		0.448	0.124	<0.0001	1.57	1.23–2.00
Renal dysfunction	No	−1.125	0.504	0.026	0.32	0.12–0.87
Renal dysfunction	Yes	0		0.026	0.32
Anatomic upper urinary tract abnormality	No	−3.085	0.734	<0.0001	0.05	0.01–0.19
Anatomic upper urinary tract abnormality	Yes	0		<0.0001	0.05
Significant (moderate-severe) hydronephrosis	No	0.841	0.331	0.011	2.32	1.21–4.43
Significant (moderate-severe) hydronephrosis	Yes	0		0.011	2.32
Number of tract	Single	−0.999	0.471	0.034	0.37	0.15–0.93
Number of tract	Multiple	0		0.034	0.37

SE: standard error of the mean; OR: odds ratio; CI: confidence interval.