Table 1
Number of women enrolled, excluded, and analyzed; and exposure per cohort
Women No. at baseline (%) Women-years (%) enrolled* 59,510 / excluded** 836 / analyzed 58,674 (100.0%) 142,475 (100.00%) of which
DRSP
16,534 (28.2%)
28,621 (20.1%)LNG 15,428 (26.3%) 31,415 (22.0%) Other OCs 26,341 (44.9%) 52,623 (36.9%) NOHC 371 (0.6%) 4,049 (2.8%) No use / / 25,767 (18.1%) * by study centers
** Women who: 1) refused to sign informed consent form, 2) were enrolled two or more times by one or more study centers, 3) continued their old OC (long-term users), or 4) did not start OC use
