Do Symptoms and Serum Calcium Levels Affect the Results of Surgical Treatment of Primary Hyperparathyroidism?

Table 2

Comparison of preoperative data between HCPHPT group and NCPHPT group.

Index	HCPHPT group; n=162	NCPHPT group; n=35	P value
Age (y) ± SD	48.39±12.04	50.54±13.94	0.352
Sex			0.632
male	40 (24.69%)	10 (28.57%)
female	122 (75.31%)	25 (71.43%)
Preoperative PTH (uIU/ml) ± SD	781.65 ± 799.25	347.38 ± 372.56	<0.0001
Preoperative AKP (U/L) ± SD	295.37 ±365.35	174.99 ± 269.13	0.067
Preoperative Ca (mmol/L) ± SD	3.06 ± 0.38	2.37 ± 0.35	<0.0001
Preoperative P (mmol/L) ± SD	2.64 ± 15.25	0.93 ± 0.21	0.507
Patients with symptom			0.029
yes	48.77% (79/162)	28.57% (10/35)
no	51.23% (83/162)	71.43% (25/35)
Symptom type I			0.179
Single symptoms	54.43%(43/79)	80.00%(8/10)
Multiple symptoms	45.57%(36/79)	20.00%(2/10)
Symptom type II			0.540
nephrolithiasis	24.69% (40/162)	8.57% (3/35)	0.023
osseous lesion	24.07% (39/162)	17.14% (6/35)	0.506
gastrointestinal symptoms	8.64% (14/162)	5.71% (2/35)	0.742
others	15.43% (25/162)	2.86% (1/35)	0.053

Abbreviations: HCPHPT, hypercalcemic primary hyperparathyroidism; NCPHPT, normocalcemic primary hyperparathyroidism; PTH, parathyroid hormone; AKP, alkaline phosphatase.