From: Non-invasive optical spectroscopic monitoring of breast development during puberty
Characteristic | Number | Percentage |
---|---|---|
Age (years) | ||
10 to <12 | 63 | 61.8 |
12 to <14 | 25 | 24.5 |
> = 14 | 14 | 13.7 |
Mean age = 12.03, SD = 1.43, minimum = 10.01, maximum = 15.38 | ||
BMI | ||
10 to <15 | 6 | 5.9 |
15 to <20 | 71 | 69.6 |
20 to <25 | 19 | 18.6 |
25+ | 6 | 5.9 |
Mean BMI = 18.58, SD = 3.11, minimum = 12.46, maximum = 33.18 | ||
Breast Tanner stage | ||
1 | 16 | 15.6 |
2 | 31 | 30.4 |
3 | 31 | 30.4 |
4 | 18 | 17.7 |
5 | 6 | 5.9 |
Breast cancer risk category | ||
BCRS <0.12 | 41 | 40.2 |
0.12 <= BCRS <0.2 | 46 | 45.1 |
BCRS > = 0.2 | 15 | 14.7 |
Mean BCRS = 0.15, SD = 0.05, minimum = 0.11, maximum = 0.30 |