Association of Single-Nucleotide Polymorphisms in DC-SIGN with Nasopharyngeal Carcinoma Susceptibility

Table 1

Clinical characteristic of Chinese patients with NPC and cancer-free controls.

Subgroup	Cases	Controls	χ^2/t	P
N	477	561
Gender, n			42.121	<0.001^a
Male	365	322
Female	112	239
Age, yr	46.68 ± 11.60	48.17 ± 13.53	1.912	0.056^b
EBV-VCA-IgA; status, n			197.811	<0.001^a
Positive		15
Negative	314	546
Smoking history, n	163		21.883	<0.001^a
Yes	163	119
No	314	442

^aChi-squared test; ^btwo-sample t-test. EBV-VCA-IgA: immunoglobulin A against Epstein-Barr virus capsid antigen; NPC: nasopharyngeal carcinoma; OR: odds ratio.