PTH and chronic kidney disease: Effects of the DASH diet on blood pressure, phosphorus, intact parathyroid hormone, creatinine, and albuminuria were not modified by baseline eGFR (mean 84.5 ± 18.0 ml/min/1.73 m2, range 44.1 to 138.6 ml/min/1.73 m2) or the presence of chronic kidney disease (N=13%).