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Year : 2018  |  Volume : 5  |  Issue : 2  |  Page : 49-53

A comparative analysis of formulae used for the estimation of glomerular filtration rate to determine the kidney function test in patients with chronic kidney disease

Department of Medicine, S. N. Medical College, Agra, Uttar Pradesh, India

Correspondence Address:
Dr. Prabhat Agrawal
Department of Medicine, S. N. Medical College, D1, Sulahkul Nagar, Bodla Road, Agra, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jina.jina_6_18

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There are many equations available for estimation of creatinine clearance, but regrettably, most of the formulae have many limitations. Prabhat's formula is a novel equation which provides appropriate values of creatinine clearance with the lesser or no limitations. The calculation can be done using the formula as follows: (i) CrCl = 100/(1.3 × S. Creatinine) × (0.8 if female) when age is between 30 and 40 years; (ii) CrCl = 100/(1.5 × S. Creatinine) × (0.8 if female) when age is between 41 and 50 years; and (iii) CrCl = 100/(1.8 × S. Creatinine) × (0.8 if female) if age >51 years. On the other hand, it is evident that using Prabhat's formula the calculated creatinine clearance is quite similar to the one that we get using other formulae for the same. Unlike other methods, this equation has no such limitations. The formula is quite reliable for calculating the creatinine clearance and estimating the kidney function test. However still, future studies with this formula in this field are very important and should focus on issues such as the elderly patients with decreased GFR and modification of this formula to get more accurate results.

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