Table 1: Screening demographic and biochemical characteristics of study population.

Participants without primary HPT
Participants with primary HPT

Age, years39.6 (12.7)51.4 (15.6)
Female, number (%)6 (40)5 (42)
White, number (%)8 (53)9 (75)
SBP, mmHg120.0 (18.0)121.4 (12.6)
DBP, mmHg78.1 (12.0)76.7 (5.2)
Number with hypertension12
Number on antihypertensive therapy03
PTH, pg/mL21.8 (5.7)94.8 (29.0)
25(OH)D, ng/mL23.0 (8.6)28.8 (10.7)
Serum calcium9.6 (0.3)11.0 (0.4)
Serum creatinine, mg/dL0.84 (0.10)0.83 (0.13)
Serum potassium, mmol/L4.5 (0.5)4.5 (0.3)

Values are mean (SD) unless otherwise noted. HPT: hyperparathyroidism; SBP: systolic blood pressure; DBP: diastolic blood pressure; PTH: parathyroid hormone; 25(OH)D: 25-hydroxyvitamin D.