PTH and diabetes mellitus: DM: diabetes mellitus, Mg: magnesium, T2D: type 2 diabetes mellitus, FBS: fasting blood sugar, FEMg: fractional excretion of magnesium, N.A.: not applicable, AM: ante meridiem, PM: post meridiem, DAPA-HF: dapagliflozin and prevention of adverse outcomes in heart failure, PTH: parathyroid hormone, UTI: urinary tract infection.