a significant trendp < 0.0001
Also, a significant trend of risk reduction associated with increasing duration of use was reported ( p < 0.0001) in this study.
Also, a significant trend of risk reduction associated with increasing duration of use was reported ( p < 0.0001) in this study.
[ 20 ] conducted a case-only study which resulted in a borderline significant association between genetic breast cancer and OC use compared with never use (OR = 1.3; 95% CI 1.0–1.7).