Table 2.

Evaluation of potential risk factors for capsular incision (n=233)

Variables	P-value		Odds ratio	95% CI
	Univariate	Multivariate
Pre-operative PSA (ng ml–1)
<10	0.065		Reference
⩾10		0.122	1.986	0.832–4.741
Gleason score at biopsy specimen
⩽6	0.927		Reference
7		0.459	0.717	0.297–1.731
⩾8		0.446	0.647	0.212–1.979
Prostate volume (ml)	0.023	0.083	0.973	0.942–1.004
Nerve-sparing procedure
No	0.036		Reference
Yes		0.173	0.530	0.213–1.321
% of positive core at biopsy
⩽25%	0.014		Reference
>25%		0.039	2.333	1.045–5.211
Number of surgery experienced	0.016	0.018	0.398	0.185–0.856

Abbreviations: CI, Confidence interval; PSA, prostate-specific antigen.