Table 2.
Calciotropic Hormones
| Baseline | 10 Days | 1 Year | ||
|---|---|---|---|---|
| Corrected calcium (mg/dL)a | Gastric Bypass: | 8.9 ± 0.3 | N/A | 8.9 ± 0.3 |
| Gastric Banding: | 9.0 ± 0.4 | N/A | 9.1 ± 0.3 | |
| Phosphorus | Gastric Bypass: | 3.4 ± 0.7 | N/A | 3.5 ± 0.4 |
| Gastric Banding: | 3.4 ± 0.5 | N/A | 3.6 ± 0.4 | |
| 25-hydroxyvitamin D (ng/mL) | Gastric Bypass: | 22 ± 10 | 25 ± 8 | 36 ± 8b |
| Gastric Banding: | 29 ± 15 | 32 ± 12 | 19 ± 8 | |
| PTH (pg/mL) | Gastric Bypass: | 43 ± 11 | 47 ± 17b | 45 ± 4 |
| Gastric Banding: | 40 ± 13 | 30 ± 10 | 39 ± 7 |
Data are presented as mean ± SD.
a
Corrected calcium = [0.8 × (4 − albumin (g/dL))] + serum calcium (mg/dL).
b
P < .05 for comparison of gastric bypass vs gastric banding groups.