Table 1 Summary of observations made in two groups i.e. group 1 (vitamin D < 20 ng/ml) and group 2 (vitamin D ≥20 ng/ml)
From: Effect of preoperative vitamin D deficiency on postoperative hypocalcemia after thyroid surgery
Parameters | Serum vitamin D < 20 ng/ml (n = 24) | Serum vitamin D ≥20 ng/ml (n = 11) |
|---|---|---|
Mean pre-operative serum calcium (mg/d) | 9.3 ± 0.5 | 9.52 ± 0.64 |
Mean post-operative serum calcium (mg/d) | 8.4 ± 0.58 | 8.9 ± 0.5 |
No. of patients developing hypocalcaemia in post-operative period | 11 | 1 |
Mean pre-operative serum PTH (pg/ml) | 25 ± 11.4 | 23.2 ± 7.2 |
Mean post-operative serum PTH (pg/ml) | 19.8 ± 11.5 | 20.4 ± 6.2 |
% fall in PTH | 21% | 12% |