Table 1.

Univariate analysis assessing the association between the explanatory variables and the Clavien–Dindo classification

Explanatory variable	Odds ratio	95% CI	p-value
RNS	1.30	1.04–1.64	0.023
RNS suffix
a	1.30	0.51–3.30	0.577
p	2.59	1.07–6.30	0.035
x (reference)
Age at operation	1.02	0.98–1.05	0.342
Laparoscopic procedure	0.23	0.05–0.98	0.047
ASA grade
1	0.83	0.27–2.54	0.747
2	0.58	0.24–1.41	0.228
3 (reference)

CI = confidence interval; RNS = RENAL nephrometry score; ASA = American Society of Anesthesiologists