Table 3.

Incidence of biochemical and symptomatic hypocalcaemia, and treatment with intravenous and oral calcium, according to POD1 PTH levels, among patients with POD1 calcium levels ≥ 2 mmol/l

Group	n	Symptomatic hypocalcaemia	Biochemical hypocalcaemia	Intravenous calcium
PTH level < 10 pg/ml and Ca ≥ 2.0 mmol/l	79	37 (46.8%)	61 (77.2%)	30 (38.0%)
PTH level 10–14 pg/ml and Ca ≥ 2.0 mmol/l	60	7 (11.7%)	18 (30%)	7 (11.7%)
PTH level 15–19 pg/ml and Ca ≥ 2.0 mmol/l	55	3 (5.5%)	14 (25.5%)	3 (5.5%)
PTH level ≥ 20 pg/ml and Ca ≥ 2.0 mmol/l	300	3 (1%)	16 (5.3%)	1 (0.3%)