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Pediatric Nephrology

, Volume 11, Issue 2, pp 189–192 | Cite as

Urinary excretion of minerals, oxalate, and uric acid in north Indian children

  • Hani A. Sweid
  • Arvind Bagga
  • Meera Vaswani
  • Vandita Vasudev
  • R. K. Ahuja
  • R. N. Srivastava
Original article

Abstract.

Urinary excretion of calcium, magnesium, phosphate, uric acid, oxalate, and creatinine was measured in 208 children (aged 8 – 15 years, 124 boys, 84 girls), living in a residential school near New Delhi. Levels were reduced compared with those reported from developed countries. The 95th percentile value of 24-h creatinine excretion was 33.4 mg/kg, calcium 2.2 mg/kg, magnesium 2.9 mg/kg, phosphate 9.4 mg/kg, uric acid 4.4 mg/kg, and oxalate 1.5 mg/kg. The 95th percentile value of the urine calcium/creatinine ratio was 0.15 and oxalate/creatinine 0.06. The dietary intake of proteins, calcium, and other nutrients in these children was less than recommended and explained the reduced urinary excretion observed. Physicians need to be aware of the regional patterns of normal urinary excretion of these constituents.

Key words: Nephrolithiasis Calcium Magnesium Creatinine 

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Copyright information

© IPNA - International Pediatric Nephrology Association New York, USA 1997

Authors and Affiliations

  • Hani A. Sweid
    • 1
  • Arvind Bagga
    • 1
  • Meera Vaswani
    • 2
  • Vandita Vasudev
    • 3
  • R. K. Ahuja
    • 4
  • R. N. Srivastava
    • 1
  1. 1.Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, IndiaIN
  2. 2.Department of Psychiatry (Chemistry Division), All India Institute of Medical Sciences, Ansari Nagar, New Delhi 10029, IndiaIN
  3. 3.Department of Laboratory Medicine, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, IndiaIN
  4. 4.Department of Biostatistics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, IndiaIN

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