Younger Age Is an Independent Predictor for Poor Survival in Patients with Signet Ring Prostate Carcinoma

Table 6

Multivariate Analyses of Factors Associated with Cancer-Specific Mortality in Patients with Signet Ring Prostate Carcinoma.

Characteristics	Group	HR	95% CI	P-value
Age	40–50 yrs	1.00
	51–60 yrs	0.09	0.007–1.15	0.06
	61–70 yrs	0.04	0.003–0.58	0.02
	>70 yrs	0.02	0.001–0.37	0.01
Ethnicity	White	1.00
	Black	2.32	0.23–23.5	0.47
	Others	2.51	0.29–21.6	0.40
SEER Stage	Local/regional	1.00
	Distant	10.9	1.44–82.09	0.02
	Unstaged	5.23	0.70–39.3	0.11
Marital status	Married	1.00
	No	0.11	0.01–0.93	0.04
Diagnosis year	1980–1994	1.00
	1995–2004	0.12	0.02–0.62	0.01
Prostatectomy	No	1.00
	Yes	0.57	0.07–4.40	0.59
Radiation	No	1.00
	Yes	0.28	0.03–2.52	0.25

HR: Hazard ratio; CI: Confidence interval.