Influence of marital status on overall survival in patients with ovarian serous carcinoma: finding from the surveillance epidemiology and end results (SEER) database

Table 1 basic characteristics of patients with serous ovarian cancer (n = 19,276)

Item	n	Marital status			P value
Item	n	married	single	SDW	P value
Total number	19,276	11,130	2520	5626
Race					< 0.0001
Black	1105	415	265	425
White	17,084	10,027	2111	4946
Other	1087	688	144	255
Age/years					< 0.0001
1–39	929	513	310	106
40–49	2674	1737	556	381
50–59	4877	3170	746	961
60–69	5292	3286	529	1477
70–79	4047	2017	280	1750
80+	1457	407	99	951
Diagnostic year					< 0.0001
1973–1999	7067	4099	764	2204
2000–2005	6269	3627	819	1823
2006–2010	4225	2426	631	1168
2011+	1715	978	306	431
Histological grading					0.0497
I	1450	886	168	396
II	4445	2587	577	1281
III	10,225	5834	1388	3003
IV	3156	1823	387	946
Radiotherapy					0.1783
Yes	18,822	10,886	2451	5485
No	454	244	69	141

ISSN: 1757-2215