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Primary efficacy endpoint: proportion of patients with a total pictorial blood loss assessment chart (PBAC) score < 10 at weeks 6–12. Error bars show 95% confidence intervals for differences vs. placebo. ***P < .001. Note: Differences were analyzed between each relugolix group and placebo group using chi-square tests according to the closed testing procedure, initially from the relugolix 40-mg group vs. the placebo group, to control the type I error rates in multiple comparison
