Table 1.
Baseline characteristics of the study subjects.
| N | mean ± SD, median (IQR) | |
|---|---|---|
| Age (years) | 197 | 56.5 ± 2.7 56.7 (54.4, 58.7) |
| Years since menopause* | 177 | 7.3 ± 5.4 6.0 (3.5, 9.3) |
| Height (cm) | 197 | 163.7 ± 5.7 163.5 (159.8, 167.9) |
| Weight (kg) | 197 | 70.2 ± 11.5 69.3 (61.6, 75.7) |
| BMI (kg/m2) | 197 | 26.2 ± 4.3 25.6 (23.1, 28.7) |
| 25-hydroxyvitamin D (ng/mL) | 189 | 33.5 ± 10.0 33.0 (27.0, 40.0) |
| Estradiol (pg/mL) | 189 | 3.3 ± 1.9 2.8 (2.1, 4.1) |
| FSH (IU/L) | 189 | 77.8 ± 30.3 73.2 (57.5, 91.1) |
| PTH (pg/mL) | 189 | 33.4 ± 17.9 30.0 (22.0, 41.0) |
| PINP (μg/L) | 187 | 66.8 ± 22.1 63.7 (51.6, 79.9) |
| CTX (ng/mL) | 187 | 0.56 ± 0.20 0.54 (0.40, 0.70) |
*
The women whose last menstrual date was the same as the hysterectomy date and did not have an oophorectomy were not summarized for years to menopause.