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Table 20 Meta-analyses of risk of lung cancer by long term use of mentholated cigarettes

From: Systematic review of the epidemiological evidence comparing lung cancer risk in smokers of mentholated and unmentholated cigarettes

  Number of
Estimates
RR (95% CI)    Heterogeneity
χ2(df), p
   Fixed-effect   Random-effects  
Overall 4 0.95 (0.80-1.13)   0.95 (0.80-1.13) 0.95 (3), 0.81
Males 4 1.11 (0.88-1.39)   1.13 (0.86-1.47) 3.76 (3), 0.29
Females 4 0.78 (0.60-1.01)   0.78 (0.60-1.01) 2.84 (3), 0.42
White people 2 1.02 (0.71-1.46)   1.02 (0.71-1.46) 0.01 (1), 0.92
Black people 2 1.09 (0.66-1.81)   1.09 (0.66-1.81) 0.30 (1), 0.59