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MAP indicates mean arterial pressure; PHPT, primary hyperparathyroidism; and PTH, parathyroid hormone. To convert calcium level to millimoles per liter, multiply by 0.25; creatinine level to micromoles per liter, multiply by 88.4; and PTH level to nanograms per liter, multiply by 1.0.
aThe index date is the surgery date for those with parathyroidectomy and is the index elevated calcium level date for those who did not undergo surgery.
