Table 2. Adjusted Cox regression analyses on erectile dysfunction (ED) in Taiwan, 1996–2007.

	Crude HRa	95% CIb	P-value	Adjusted HR	95% CIb	P-value
Non-CRS	1	—	—	1	—	—
CRS	1.78	1.57–2.02	<0.0001	1.51	1.33–1.73	<0.0001
CRSsNP	1.77	1.56–2.01	<0.0001	1.50	1.31–1.72	<0.0001
CRSwNP	1.95	1.26–3.04	0.0029	1.78	1.15–2.78	0.0106

^*Contrast of CRSsNP versus CRSwNP, Estimate = 0.84 (0.54–1.32), P-value = 0.4552.

^aHR: hazard ratio.

^bCI: Confidence interval.