Diet folate, DNA methylation and genetic polymorphisms of MTHFRC677T in association with the prognosis of esophageal squamous cell carcinoma

Table 1 Association between demographic characteristics and the prognosis of ESCC

Characteristics	Total patients	Death, N(%)	HR(95% CI)^†	P
Sex
Male	79	38(48.10)	1
Female	41	20(48.78)	1.04(0.60-1.78)	0.895
Age(years)
< 63	61	27(44.26)	1
≥63	59	31(52.54)	1.30(0.78-2.18)	0.320
Tobacco smoking
Never	65	31(47.69)	1
Ever	55	27(49.09)	1.02(0.61-1.70)	0.947
Alcohol drinking
Never	69	33(47.83)	1
Ever	51	25(49.02)	1.02(0.61-1.72)	0.927
Marriage
Married	106	48(45.28)	1
Divorced/living alone	14	10(71.43)	1.96(0.99-3.88)	0.054
Education
Illiterate	40	20(50.00)	1
< 6 years	46	22(47.83)	0.91(0.50-1.67)	0.759
≥6 years	34	16(47.06)	0.89(0.46-1.71)	0.719
P for trend				0.714

ISSN: 1471-2407