passages.id: split_9_validation_1009_passage
passages.type: progene_text
passages.text: The Val / Leu genotype for CYP1B1 was associated with an odds ratio of 1.8 ( 95 % confidence interval , 1.0 - 3.3 ) and the Val / Val genotype with an odds ratio of 3.8 ( 95 % confidence interval , 1.2 - 11.4 ) compared with the Leu / Leu genotype ( P = 0.005 ) .