Table 4.

Multivariable conditional logistics regression analysis of pre-diagnositc features of prostate cancer axcluding the final 180 days.

Variable	Odds ratio	95% CI	P-value
Symptoms:
Second presentation with loss of weight	4.5	1.2 to 17	0.029
Impotence	3.3	1.8 to 6.0	<0.001
Frequency	2.8	1.7 to 4.5	<0.001
Sign:
Abnormal rectal examination deemed benign enlargement	2.8	1.4 to 5.6	0.004