Table 2 Ammonium chloride loading test profile
From: Relationship between rickets and incomplete distal renal tubular acidosis in children
| Â | urine pH > 5.5 | urine pH < 5.5 | 2t-test at 95% CI (p) |
|---|---|---|---|
n (%) | 19 (38.00%) | 31(62.00%) | Â |
Urine pH, mean (SD) range | 6.40 (0.45) 5.7 -7.50 | 5.10 (0.32) 4.62 - 5.48 | 11.9275(< 0.001) |
Preloading mean(SD) and range of serum HCO3, | 19 (0.02), 19 - 20 mmol/L | 22 0(0.461)., 22-24 mmol/L. | 28.2313 (< 0.001) |
3 hours post loading with NH4CL mean(SD) and range of serum HCO3 | 16 (0.34), 14 - 16 mmol/L | 22 (0.58), 21-23 mmol/L | 40.893 (< 0.001) |
Rate of reduction of HCO3 from pre loading to 3 hours post loading | 3-5 mmol/L | 1-2 mmol/L | Â |
24 hours urine calcium mean (SD) | 1.62 (0.13)mmol/kg/day | 0.12 (0.03)mmol/kg/day | 20.4594 (< 0.001) |