Parathyroid Function inPrimary Osteoporosis

Mean iPTHwasnormalwithoneantiserum butwaslower thannormal(P< 0.001) withtheother. iPTHvalues didnotcorrelate withbiochemical parameters orwith theproportion ofbone-resorbing surfaces iniliac crest bonebiopsy specimens. Thesedatasuggest thattheincreased boneresorption isnotduetoincreased parathyroid function inmostosteoporotic patients. However, sevenofourpatients (15%)appear torepresent aseparate population because theyhadincreased values withoneortheother oftheantisera.