Clinical Study
Vitamin D Status in Patients Operated for Primary Hyperparathyroidism: Comparison of Patients from Southern and Northern Europe
Table 3
Bone mineral density before and one year after surgery for primary hyperparathyroidism. Medians (IQR) Wilcoxon’s signed rank test.
| BMD site | Spanish cohort Before surgery | Spanish cohort One year postop | P | Swedish cohort Before surgery | Swedish cohort One year postop | P | P diff Spanish-swedish preop |
| Lumbar spine, absolute | 0.79 (0.70–0.88) | 0.83 (0.74–0.93) | <0.001 | 1.00 (0.83–1.11) | 1.03 (0.88–1.14) | <0.001 | <0.001 | Lumbar spine, -score | −0.7 (−1.6–0.3) | 0.7 (0.4–1.3) | <0.001 | −0.4 (−1.6–0.6) | 0.7 (0.4–1.38) | <0.001 | 0.75 | Femoral neck, absolute | 0.62 (0.56–0.69) | 0.64 (0.57–0.70) | <0.001 | 0.76 (0.69–0.85) | 0.79 (0.70–0.88) | <0.001 | <0.001 | Femoral neck, -score | −0.7 (−1.3 to −0.1) | −0.4 (−1.1–0.2) | <0.001 | −0.5 (−1.1–0.1) | −0.5 (−0.9–0.2) | <0.001 | 0.11 | Total hip, absolute | 0.76 (0.68–0.85) | 0.76 (0.70–0.87) | <0.001 | 0.77 (0.56–0.88) | 0.84 (0.75–0.95) | <0.001 | 0.40 | Total hip, -score | −0.5 (−0.9–0.3) | −0.2 (−0.8–0.5) | <0.001 | −0.4 (1.0–0.4) | 0 (−0.7–0.7) | <0.001 | 0.91 |
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