Predictors of Long-Time Survivors in Nonmetastatic Colorectal Signet Ring Cell Carcinoma: A Large Population-Based Study

Table 3

The association between marital status and long-time survivors in nonmetastatic colorectal SRCC^†.

Variables	Married				Unmarried				value
	Total		LTS^‡		Total		LTS
		%		%		%		%
Total	1117		371		847		218
Age									<0.001
≤40	77	6.89	28	7.55	91	10.74	16	7.34
41-55	252	22.56	96	25.88	144	17	42	19.27
56-70	394	35.27	135	36.39	215	25.38	58	26.61
>70	394	35.27	112	30.19	397	46.87	102	46.79
Race									<0.001
Black	72	6.45	13	3.5	105	12.4	23	10.55
White	926	82.9	326	87.87	688	81.23	184	84.4
Other	112	10.03	29	7.82	54	6.38	11	5.05
Unknown	7	0.63	3	0.81	0	0	0	0
Sex									<0.001
Male	686	61.41	224	60.38	347	40.97	71	32.57
Female	431	38.59	147	39.62	500	59.03	147	67.43
Tumor grade									0.096
Well/moderately	92	8.24	43	11.59	50	5.9	17	7.8
Poorly/undifferentiated	898	80.39	281	75.74	709	83.71	175	80.28
Unknown	127	11.37	47	12.67	88	10.39	26	11.93
Tumor size (cm)									0.017
≤ 4	360	32.23	140	37.74	233	27.51	64	29.36
4.1-6	309	27.66	90	24.26	231	27.27	55	25.23
>6	309	27.66	93	25.07	287	33.88	75	34.4
Unknown	139	12.44	48	12.94	96	11.33	24	11.01
Tumor location									0.006
Right colon	665	59.53	235	63.34	559	66	152	69.72
Left colon	182	16.29	56	15.09	103	12.16	32	14.68
Rectum	254	22.74	74	19.95	167	19.72	30	13.76
Unknown	16	1.43	6	1.62	18	2.13	4	1.83
Number of lymph node examined									0.854
< 12	311	27.84	101	27.22	231	27.27	60	27.52
≥ 12	793	70.99	266	71.7	608	71.78	157	72.02
Unknown	13	1.16	4	1.08	8	0.94	1	0.46
T stage
Tis-T1	79	7.07	42	11.32	54	6.38	20	9.17	0.491
T2	63	5.64	33	8.89	54	6.38	17	7.8
T3	627	56.13	233	62.8	453	53.48	145	66.51
T4	348	31.15	63	16.98	286	33.77	36	16.51
N stage									0.075
N0	403	36.08	185	49.87	294	34.71	107	49.08
N1	244	21.84	90	24.26	222	26.21	61	27.98
N2	470	42.08	96	25.88	331	39.08	50	22.94
Primary tumor treatment									0.318
No	47	4.21	3	0.81	48	5.67	3	1.38
Surgery	1051	94.09	361	97.3	786	92.8	208	95.41
Local tumor excision	19	1.7	7	1.89	13	1.53	7	3.21
Radiation									0.105
No/unknown	912	81.65	312	84.1	716	84.53	198	90.83
Yes	205	18.35	59	15.9	131	15.47	20	9.17
Chemotherapy									<0.001
No/unknown	473	42.35	171	46.09	437	51.59	120	55.05
Yes	644	57.65	200	53.91	410	48.41	98	44.95

^†SRCC: signet ring cell carcinoma; ^‡LTS: long-time survivor.