Study results according to preoperative vitamin D status
| Non-VDD (n=232) | VDD (n=189) | p-value | |
|---|---|---|---|
| Age (years, n=421) | 53.8±14.2 | 50.8±14.5 | 0.03 |
| Female sex (n=421) | 198 | 154 | 0.29 |
| BMI (kg/m2, n=384) | 31.9±7.4 | 33.2±8.5 | 0.09 |
| Benign/Malignant | 45/98 | 26/59 | 0.89 |
| Total Calcium (mg/dl, n=80) | 9.2±0.1 | 8.4±0.2 | <0.001 |
| Corrected Calcium (mg/dl, n=63) | 9.1±0.5 | 8.4±0.9 | <0.001 |
| Ionised Calcium (mmol/l, n=131) | 1.08±0.11 | 1.07±0.13 | 0.84 |
| Phosphorus (mg/dl, n=138) | 3.5±1.0 | 3.3±1.0 | 0.11 |
| Parathyroid Hormone (pg/ml, n=180) | 27±20 | 29±22 | 0.29 |
| LOS (hours) | 47.8 (42.2–54.6) | 65.6 (57.1–76.0) | <0.05 |