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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