Table 1.
Baseline Characteristics of Study Participants (n = 33)
| Characteristic | Value |
|---|---|
| Age (years) | 45.4 ± 12.8 |
| Women, n (%) | 25 (76%) |
| Premenopausal | 19 (76%) |
| Postmenopausal | 6 (24%) |
| Race, n (%) | |
| White | 21 (64%) |
| Black | 6 (18%) |
| Asian | 2 (6%) |
| Hispanic/Latino | 2 (6%) |
| Hawaiian/Pacific Islander | 2 (6%) |
| Diabetes, n (%) | 15 (45%) |
| Weight (kg) | 125.3 ± 17.8 |
| BMI (kg/m2) | 44.7 ± 7.4 |
| Percentage body fat (%) | 46.7 ± 6.3 |
| Waist circumference (cm) | 122.3 ± 13.3 |
| Waist-hip ratio | 0.90 ± 0.10 |
| 25OHD upon enrollment (ng/mL) | 23.6 (18.5–29.0) |
| 25OHD at preoperative study visit (ng/mL) | 41.0 (33.1–48.5) |
| 24-hour urinary calcium (mg)a | 191.4 (92.7–246.9) |
| PTH (pg/mL)a | 41.3 (32.0–53.1) |
| 1,25(OH)2D (pg/mL)a | 37.1 (33.6–45.6) |
| Areal BMD (DXA) (g/cm2) | |
| Femoral neck | 0.973 ± 0.132 |
| Total hip | 1.157 ± 0.140 |
| Lumbar spine | 1.189 ± 0.140 |
| Volumetric BMD (QCT) (g/cm3) | |
| Spine (L3–L4) | 0.162 ± 0.040 |
| Fractional calcium absorption (%) | 32.7 ± 14.0 |
Values are mean ± SD, median (IQR), or count (percentage).
IQR = interquartile range.
a
Values are from measurements made at the preoperative study visit, following vitamin D repletion.