The Genetic Polymorphisms in the MIR17HG Gene Are Associated with the Risk of Head and Neck Squamous Cell Carcinoma in the Chinese Han Population

Table 1

Characteristic of HNSCC and healthy controls.

Characteristics	Cases ()	Controls ()
Age, years ()^a			0.782
>46	299 (56.0%)	282 (53.0%)
≤46	238 (44.0%)	251 (47.0%)
Gender^b			0.950
Male	207 (39.0%)	204 (38.0%)
Female	330 (61.0%)	329 (62.0%)
LN metastasis
Node positive	103 (19.0%)
Node negative	82 (15.0%)
Missing	352 (66%)
Clinical stage
III/IV	38 (7%)
I/II	140 (26%)
Missing	359 (67%)
Nasopharyngeal carcinoma	77 (14%)
Thyroid cancer	398 (74%)
Laryngeal carcinoma	43 (8%)
Parotid gland carcinoma	19 (4%)
BMI, kg/m^2 ()^a
≤24	12 (6%)	247 (46%)
>24	1 (0.2%)	158 (30%)
Missing	515 (93.8%)	128 (24%)
Smoking	90 (17%)	365 (69%)
Drinking	46 (9%)	344 (65%)

^aStudent’s -test is used. ^bPearson’s test is used. indicates statistical significance. HNSCC: head and neck squamous cell carcinoma; LN: lymph node; BMI: body mass index.