From: Joint effect of human papillomavirus exposure, smoking and alcohol on risk of oral squamous cell carcinoma
HPV16 serology
Tumor HPV16 status
HPV16 (-) cases (n = 89)
HPV16( +) cases (n = 67)
Adjusted ORa, 95% CI
N
%
L1 serology (-)
76
85.4
42
62.7
1.0
L1 serology ( +)
13
14.6
25
37.3
3.4
Correlation
Correlation efficient; r = 0.262 and p = 0.001