Table 4.

Meta-analysis of three studies on marijuana use and testicular cancer

OR(95% CI)P for heterogeneity
Ever use1.19(0.72–1.95)0.033
Frequency
 Never1.00
 <1 day or week1.28(0.51–3.22)<0.001
 ≥1 day or week1.56(1.09–2.23)0.640
Duration
 Never1.00
 <10 years1.31(0.60–2.84)0.008
 ≥10 years1.50(1.08–2.09)0.812