Meta-analysis on the relationship between alcohol consumption and lung cancer risk

OBJECTIVE: To study the relationship between alcohol consumption and lung cancer by means of meta-analysis. METHODS: To search the data all about the subjects and process the related data by means of Meta-analysis. RESULTS: 6 prospective studies with 122,288 participants and 3 053 cancer cases, and 15 case-control studies with 8838 cancer cases and 21,591 controls were included. The OR value associated with alcohol were 1.17 (95% CI: 0.96-1.42). The OR values associated with alcohol in men and women were 1.67 (95% CI: 0.61-4.59) and 0.93 (95% CI: 0.51-1.68), respectively. The OR value associated with alcohol from beer in men was 1.46 (95% CI: 1.28-1.67). The OR value associated with alcohol from spirits was 1.34 (95% CI: 1.02-1.74). For those drinking at least seven drinks per week, there was an positive relationship with lung cancer (P < 0.05). CONCLUSION: Consumption of beer, spirits and drinking regularly were associated with lung cancer risk.