PTH 1-34 delivered via pump produced near normalization of mean serum calcium ( 2.02 0.05 [ pump ] vs 1.88 0.03 [ injection ] mmol/L , P < .05 , normal 2.05-2 .5 mmol/L ) , normalized mean urine calcium excretion ( 5.17 1.10 [ pump ] vs 6.67 0.76 mmol/24 h/1 .73 m ( 2 ) , P = .3 ) , and significantly reduced markers of bone turnover ( P < .02 ) .