Table 2

The differences of HPV infection between lung cancer and noncancer patients with different gender and smoking habits

ParameterLung cancerNoncancerP
Negative N (%)Positive N (%)Negative N (%)Positive N (%)
HPV 16
 Gender
  Female18 (40.0)27 (60.0)9 (81.8)2 (18.2)0.031
  Male73 (76.0)23 (24.0)42 (85.7)7 (14.3)0.253
  P0.000070.664
 Smoking
  No40 (51.3)38 (48.7)41 (85.4)7 (14.6)0.0002
  Yes51 (81.0)12 (29.0)10 (83.3)2 (16.7)1.0
  P0.00051.0
HPV 18
 Gender
  Female12 (26.7)33 (73.3)10 (90.9)1 (9.1)0.0002
  Male71 (74.0)25 (26.0)43 (87.8)6 (12.2)0.089
  P0.00000031.0
 Smoking
  No33 (42.3)45 (57.3)42 (87.5)6 (12.5)<0.000001
  Yes50 (79.4)13 (20.6)11 (91.7)1 (8.3)0.444
  P0.000021.0