Parameter

Reference Range

Test (Mean ± 1 SD) N = 200

Control (Mean ± 1 SD) N = 200

P value

Urea (mg/dl)

15 - 50

28.40 ± 25.7

22.30 ± 6.30

<0.001

Creatinine (mg/dl)

Up to 1

0.94 ± 0.08

0.70 ± 0.15

<0.001