From: Adolescent endogenous sex hormones and breast density in early adulthood
Quartiles | Premenarche | Postmenarche | All periods | |||
---|---|---|---|---|---|---|
 | Mean | (95 % CI) | Mean | (95 % CI) | Mean | (95 % CI) |
Androstenedione | N = 153 | Â | N = 154 | Â | N = 174 | |
 Q1 | 20.2 | (17.2-23.7) | 17.9 | (14.6-22.1) | 19.2 | (16.5-22.3) |
 Q2 | 18.8 | (14.9-23.8) | 19.4 | (14.8-25.5) | 19.2 | (14.7-24.9) |
 Q3 | 18.1 | (13.5-24.1) | 18.0 | (14.4-22.3) | 18.0 | (15.2-21.3) |
 Q4 | 17.4 | (11.0-27.6) | 17.9 | (13.7-23.5) | 18.6 | (14.1-24.6) |
  P-trendc | 0.30 |  | 0.88 |  | 0.69 |  |
DHEAS | N = 153 | Â | N = 156 | Â | N = 176 | |
 Q1 | 16.7 | (12.7-22.0) | 19.9 | (13.6-29.1) | 18.7 | (14.2-24.5) |
 Q2 | 19.6 | (14.2-26.9) | 16.3 | (12.1-22.1) | 17.5 | (14.6-20.9) |
 Q3 | 16.6 | (13.2-20.9) | 17.0 | (14.5-20.0) | 17.5 | (15.1-20.3) |
 Q4 | 22.1 | (17.3-28.0) | 20.3 | (17.9-22.9) | 21.5 | (18.2-15.4) |
  P-trendc | <0.001 |  | 0.84 |  | 0.10 |  |
Testosterone | N = 150 | Â | N = 156 | Â | N = 175 | |
 Q1 | 17.6 | (14.8-20.9) | 16.7 | (14.1-19.7) | 18.5 | (15.2-22.6) |
 Q2 | 20.5 | (18.4-22.7) | 18.6 | (14.8-23.3) | 19.2 | (16.3-22.7) |
 Q3 | 18.0 | (12.0-26.9) | 18.2 | (12.5-26.4) | 18.7 | (14.7-23.8) |
 Q4 | 17.7 | (11.5-27.2) | 19.8 | (17.4-22.6) | 18.2 | (14.1-23.6) |
  P-trendc | 0.90 |  | 0.16 |  | 0.87 |  |
SHBG | N = 153 | Â | N = 156 | Â | N = 176 | |
 Q1 | 14.4 | (10.2-20.4) | 15.7 | (11.0-22.6) | 15.5 | (12.8-18.7) |
 Q2 | 18.7 | (15.3-22.8) | 17.1 | (12.9-22.7) | 17.5 | (13.3-23.1) |
 Q3 | 18.3 | (14.6-22.9) | 25.0 | (18.0-24.6) | 22.1 | (20.2-24.2) |
 Q4 | 24.3 | (19.6-30.1) | 16.7 | (14.8-18.8) | 20.5 | (15.6-26.9) |
  P-trendc | 0.03 |  | 0.42 |  | 0.05 |  |