Use of random urine samples to estimate total urinary calcium and phosphate excretion.
Calcium-to-creatinine and phosphate-to-creatinine ratios in random single-voided urine specimens were compared with 24-hour calcium and phosphate excretions, respectively, in 67 subjects who were selected prospectively to represent a wide range of renal and parathyroid function as well as urinary calcium and phosphate loss. Simple linear regression analysis revealed significant correlation between the spot urine calcium-to-creatinine ratio and 24-hour total calcium excretion and between the spot urine phosphate-to-creatinine ratio and 24-hour phosphate excretion. Calculating these simple ratios permits easy, rapid, correct, and inexpensive estimation of the daily urinary calcium and phosphate excretion.
Gökçe
C
C
Department of Internal Medicine, Firat University School of Medicine, Elaziğ, Turkey.
Gökçe
O
O
Baydinç
C
C
Ilhan
N
N
Alaşehirli
E
E
Ozküçük
F
F
Taşçi
M
M
Atilkeler
M K
MK
Celebi
H
H
Arslan
N
N
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002118:Calcium / Q000652:urine*; D003404:Creatinine / Q000652:urine; D005260:Female; D006801:Humans; D007676:Kidney Failure, Chronic / Q000652:urine; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic; D010710:Phosphates / Q000652:urine*; D011446:Prospective Studies; D011897:Random Allocation; D012016:Reference Values; D012044:Regression Analysis
D010710:Phosphates; D003404:Creatinine; D002118:Calcium