Table 1.

Simultaneous serum iPTH and calcium levels in 13 patients with symptomatic hypocalcemia.

Patient number	Sex	Age at onset	Ca mmol/L	iPTH pg/mL	Associated clinical status
1	Male	12 days	1.22	13.0	Post colostomy
2	Male	21 days	1.59	7.3	Post colostomy
3	Male	23 days	1.16	34.9	Heart failure
4	Male	30 days	1.19	14.7	Heart failure
5	Female	30 days	1.49	<3.0	Post chemotherapy (Busulfan)
6	Male	13 years	1.84	5.8
7	Female	13 days	1.04	10.9	Pneumonia
8	Male	7 days	1.12	14.0	Heart failure
9	Female	12 days	1.15	9.4	Heart failure
10	Female	21 days	0.94	7.3	Respiratory distress
11	Male	15 years	1.71	36.4	Post-exercise
12	Female	9 days	1.55	38.9	Heart failure
13	Male	9 days	1.65	30.7	Heart failure

Ca, calcium; iPTH, intact parathyroid hormone.