Table 2.

Univariable and multivariable logistic regression analyses while using preoperative factors for predicting BCR.

	Univariable analysis	Multivariable analysis
Predictors	Odds ratio (95% CI)	p value	Odds ratio (95% CI)	p value
Age	0.99 (0.97–1.02)	0.6	–	–
PSA ng/ml
<10	Reference	0.003	Reference	0.006
10–20	1.65 (1.9–2.28)	<0.0001	1.64 (1.15–2.34)	<0.0001
>20	1.84 (1.31–2.57)		2.02 (1.39–2.95)
Clinical stage
T1–T2a	Reference	0.47	–	–
T2b	0.8 (0.45–1.45)	0.66
≥T2c	1.09 (0.75–1.59)
Biopsy GS
6	Reference	0.007	Reference	0.019
3+4	1.7 (1.15–2.5)	<0.0001	1.7 (1.09–2.68)	0.004
4+3	3.03 (1.77–5.18)	0.005	2.42 (1.33–4.41)	0.001
8	1.77 (1.19–2.63)	<0.0001	2.19 (1.38–3.47)	<0.0001
9–10	3.55 (2.28–5.53)		3.84 (2.31–6.38)
No. of risk factors
1 risk factor	Reference	<0.0001	–	–
2 risk factors	2.01 (1.5–2.69)	<0.0001
3 risk factors	3.58 (2.01–6.38)
% of positive cores	1.01 (1.01–1.02)	<0.0001	1.01 (1–1.02)	0.001

CI, confidence interval.