Table 2.

Distribution of asymptomatic and symptomatic patients based on post-operative iPTH values, with percentage of iPTH group total. Number of SX patients who required an increased in calcitriol dosage for symptom relief.

iPTH	ASYMPTOMATIC	SYMPTOMATIC	Increased calcitriol requirement
<2pg/ml	4 (57.1)	3 (42.9)	2(28.5)
2–5 pg/ml	24 (82.8)	5 (17.2)	3 (60)
6–9 pg/ml	36 (83.7)	7 (16.3)	2 (4.7)
10–15 pg/ml	54 (95.6)	3 (6.4)	0
16–20 g/ml	60 (98.8)	1 (1.2)	0
≥21 pg/ml	418(98.2)	5( 1.2)	0