Notably, 21.5% of patients had elevated PTH ≥ 45 pg/mL: 186/246 (75%) had mild hyperparathyroidism (PTH ≥ 45 pg/mL) and 60/246 (25%) had overt hyperparathyroidism (PTH ≥ 65 pg/mL). Here, PTH is linked to hyperparathyroidism.