Info

0.85 (0.73 - 0.99)

Humphrey et al. (2002)

aRR = relative risk. bCI = confidence interval.

cSix population-based trials (HIP, Kopparberg, Ostergotland, Malmo, Stockholm, and Edinburgh). dNBSS = National Breast Screening Study of Canada.

eAll eight trials [seven population-based trials (HIP, Kopparberg, Ostergotland, Malmo, Stockholm, Edinburgh, and Gothenburg) plus NBSS].

fSeven trials (HIP, Kopparberg, Ostergotland, Malmo, Stockholm, Gothenburg, and NBSS).

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