Fig. 3From: The benefits and risks of menopause hormone therapy for the cardiovascular system in postmenopausal women: a systematic review and meta-analysisKaplan Meier time survival curve of postmenopausal women receiving MHT and placebo for stroke outcomes. The red curve represented MHT, while the blue curve represented placebo treatment, and HR (1.31,95% CI [1.08 to 1.59]) was obtained by fitting the relationship between survival distributions and different interventions using the Cox regression modelBack to article page