miRNA-SNPs and lung cancer.

*<p>significant association;</p><p>a: different results between screening set and validation set;</p><p>b: HR and 95% CI estimated form Kaplan-Meier curve;</p><p>c: data from the validation set; d: data from low-dose smokers of Boston case-control study.</p

Meta-analysis results of common SNPs of miRNAs.

<p>Results are shown as OR 95% CI; M1: homozygote comparison; M2 heterozygote comparison; M3: dominant model; M4: recessive model;</p>*<p>for significant difference.</p

Forrest plot of miRNA-196a2 rs11614913 (dominant model).

<p>Estimated by random-effect model (CC+CT vs. TT).</p

Flow chart.

<p>Flow chart.</p

Characteristics of eligible studies.

<p>Characteristics of eligible studies.</p