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Table 1 Selected characteristics of head and neck squamous cell carcinoma (HNSCC) patients and cancer-free controls

From: Association of microRNA polymorphisms with the risk of head and neck squamous cell carcinoma in a Chinese population: a case–control study

Variable Patients [cases (%)] Controls [cases (%)] P a
Total 576 1552  
Age (years)
 <60 265 (46.0) 719 (46.3) 0.895
 ≥60 311 (54.0) 833 (53.7)  
Gender    0.750
 Female 214 (37.2) 565 (36.4)  
 Male 362 (62.8) 987 (63.6)  
Smoking status    0.260
 No 315 (54.7) 891 (57.4)  
 Yes 261 (45.3) 661 (42.6)  
Drinking status    <0.001
 No 321 (55.7) 1043 (67.2)  
 Yes 255 (44.3) 509 (32.8)  
  1. Italic value indicate significance of p value (p < 0.05)
  2. aTwo-sided Chi squared test