Table 2. Pooled ORs with 95%CIs for multiple variable adjustment.
| SNPs | Author (year) | Adjusted variables | OR with 95%CI adjusted for multiple variables | Pooled OR with 95%CI |
| rs1051730 a | Yang (S) (2012) | age, gender, smoking status, drinking status | 1.10 (0.67–1.84) | 1.11 (1.01–1.20) |
| Zhou (2012) | age, gender, BMI, smoking status, pack-years of smoking | 1.40 (0.86–2.30) | ||
| Kaur-Knudsen (2012) | age, gender, cumulative tobacco consumption | 1.1 (1.0–1.2) | ||
| rs6495309 b | Yang (S) (2012) | age, gender, smoking status, drinking status | 1.27 (1.01–1.61) | 1.31 (1.08–1.54) |
| Yang (E) (2012) | age, gender, smoking status, drinking status | 1.23 (0.88–1.70) | ||
| Lee (2012) | age, pack-years of smoking | 2.00 (1.32–3.03) |
a
: Heterozygote inheritance model (CT vs CC genotype); b: Homozygote inheritance model (CC vs TT genotype).