Table 4

Multivariate logistic regression analysisa of the association between p16 methylation and clinicopathological features in NSCLC (n=185)

OR95% CIP
Duration of smoking
 <31 yr1.00
 ≥31 yr, <40 yr2.070.67–6.390.21
 ≥40 yr, <49 yr3.211.11–9.330.03
 ≥49 yr4.271.48–12.300.007
Histology
 Adenocarcinoma1.00
 Squamous cell carcinoma2.361.10–5.080.03
 Other1.030.37–2.880.95
Age1.000.96–1.040.97
  • a Sex and stage were adjusted as potential confounders.