Table 3.

Univariate and multivariate analyses for the OS periods (in months) with regard to males with PCC

	N	1-year survival (%)	3-year survival (%)	Median survival interval (months)	Univariate	Multivariate
					P	P	OR (95% CI)
Age
<34 years	47	59.8	50.7	48	0.011	0.029	0.47 (0.27–0.81)
≥34 years	52	38.6	24.8	10
Histology
Coexisting with other	22	68.6	53.5	54	0.090	0.011	0.54 (0.32–0.92)
Pure CC	77	43.4	32.4	11
Preoperative diagnosis
Yes	35	41.4	20.7	10	0.063	0.023	1.84 (1.09–3.10)
No	64	52.7	44.4	18
Metastasis
Yes	70	85.7	67.1	12	0.236
No	29	65.5	49.1	36
Chemotherapy
Yes	94	50.6	38.5	14	0.001	0.002	0.18 (0.06–0.53)
No	5	0	0	2.5
Surgery
Yes	37	50.1	39.5	10	0.761
No	62	47.8	35.1	14

Abbreviations: OS, overall survival; PCC, primary choriocarcinoma; CC, choriocarcinoma; CI, confidence interval.