Skip to main content

Table 3 The DNA damage associated with lung cancer risk

From: Combined effects of cigarette smoking, DNA methyltransferase 3B genetic polymorphism, and DNA damage on lung cancer

Variables Cases Controls  
  N = 190 (%) N = 380 (%) OR (95% CI)
DNA damage level
 High 106 (55.8%) 129 (33.9%) 1.70 (1.34–2.15)*
 Moderate 39 (20.5%) 125 (32.9%) 1.01 (0.77–1.32)
 Low 45 (23.7%) 126 (33.2%) Ref.
  1. Abbreviation: N number; OR odds ratio; CI confidence interval; Ref. reference
  2. Data were matched by age and gender, calculated by backward stepwise log-linear regression, adjusted for pack-years smoked, green tea consumption, and exposure to cooking fumes
  3. *p < 0.001