Table 4.
Anthropometric and laboratory values during follow-up: group 3 patients (n = 153) recovered from SNHPT within 6 months after surgery and group 4 patients (n = 48) within 18 months; group 2 patients (n = 25) without presurgical SNHPT.
| Variable | Group 4 | Group 3 |
p
∗
(group 4 versus group 3) |
Group 2 | |
|---|---|---|---|---|---|
| 6 months | Serum 25-hydroxy vitamin D (ng/mL, mean ± SD) | 25.5 ± 2.5 | 35.6 ± 1.8 | N.S. | 37.1 ± 3.1 |
| Serum calcium (mg/dL, mean ± SD) | 9.1 ± 1.0 | 9.08 ± 1.1 | N.S. | 9.1 ± 1.7 | |
| Serum PTH (ml/dL, mean ± SD) | 74.56 ± 5.2 | 50.7 ± 3.5 | <0.05 | 49.3 ± 2.5 | |
| Elapsed time since last effective diet (years, mean ± SD) | 12 ± 1.5 | 5 ± 0.5 | <0.05 | 4 ± 1.2 | |
| Extra weight-loss percentage (%EWL, mean ± SD) | 44.1 ± 2.5 | 40.3 ± 2.2 | <0.05 | 38.9 ± 1.8 | |
|
| |||||
| 12 months | Serum 25-hydroxy vitamin D (ng/mL, mean ± SD) | 26.4 ± 3.2 | 42.4 ± 1.7 | N.S. | 46.1 ± 1.3 |
| Serum calcium (mg/dL, mean ± SD) | 9.3 ± 0.5 | 9.08 ± 0.9 | N.S. | 9.1 ± 1.1 | |
| Serum PTH (mg/dL, mean ± SD) | 73 ± 3.2 | 43.1 ± 3.3 | <0.05 | 45.6 ± 1.4 | |
| Extra weight loss percentage (%EWL, mean ± SD) | 54.3 ± 1.5 | 46.6 ± 3.1 | <0.05 | 46.5 ± 1.9 | |
|
| |||||
| 18 months | Serum 25-hydroxy vitamin D (ng/mL, mean ± SD) | 32.1 ± 0.9 | 43.7 ± 1.2 | N.S. | 46.3 ± 1.9 |
| Serum calcium (mg/dL, mean ± SD) | 9.8 ± 1.1 | 9.6 ± 2.0 | N.S. | 9.4 ± 1.1 | |
| Serum PTH (mg/dL, mean ± SD) | 56.6 ± 2.2 | 40.3 ± 1.5 | <0.05 | 39.1 ± 0.5 | |
| Extra weight loss percentage (%, mean ± SD) | 65.3 ± 2.6 | 59.1 ± 3.2 | <0.05 | 59.6 ± 2.8 | |
∗ANOVA for continuous variables; N.S. not statistically significant.