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Table 3 Values of GFR, A/C ratio in urine, serum urea, and creatinine among cases

From: Role of urinary NAG enzyme in early detection of renal impairment in cystic fibrosis patients

  Mean SD Min Max Normal
GFR ml/min/1.73m2 116.18 42.20 60.00 262.00 ˃90
A/C ratio 20.00 7.76 10.00 38.40 ˂30
Serum urea 20.52 7.49 7.00 43.00 ˂45
Serum creatinine 0.45 0.14 0.20 0.80 ˂1.0
  1. GFR glomerular filtration rate, A/C ratio albumin/creatinine ratio