From: Pubertal timing and breast density in young women: a prospective cohort study
Number | Mean (95% confidence interval) | p value | |
---|---|---|---|
Thelarche effect | |||
Early menarche/short tempo | 62 | 15.73 (14.3–17.30) | Reference |
Early menarche/long tempo | 29 | 18.84 (17.05–20.81) | 0.01 |
Late menarche/short tempo | 29 | 21.33 (18.99–23.97) | < 0.001 |
Late menarche/long tempo | 62 | 20.88 (17.49–24.92) | < 0.001 |
Menarche effect | |||
Early thelarche/short tempo | 29 | 20.47 (16.18–25.91) | Reference |
Early thelarche/long tempo | 62 | 19.81 (17.49–22.44) | 0.82 |
Late thelarche/short tempo | 62 | 16.34 (14.64–18.23) | 0.11 |
Late thelarche/long tempo | 29 | 20.40 (16.52–25.20) | 0.98 |