Patient Characteristics
Of 10 011 women enrolled in the included trials, 9479 (94.7%) had available survival and race and ethnicity data and were included in this pooled analysis. Their median (IQR) follow-up time was 9.8 (6.7-13.2) years, and 435 participants (4.6%) were designated as lost to follow-up. All participants were female. There were 436 (4.6%) Hispanic, 871 (9.2%) non-Hispanic Black, 7889 (83.2%) non-Hispanic White participants, and 283 (3.0%) patients with another race and ethnicity (