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Table 2 Characteristics and measurements in study population (n = 130)

From: Existing creatinine-based equations overestimate glomerular filtration rate in Indians

Parameter Total study participants (n = 130)
Age 44.62 ± 11.92
Sex (M/F) 72/58
Height (cm) 161.25 ± 10.82
Weight (kg) 63.17 ± 12.54
BMI (kg/m2) 24.62 ± 7.65
Hemoglobin (g/dL) 13.24 ± 1.97
Serum creatinine (mg/dL) 1.37 ± 0.88
Serum cystatin C (mg/dL) 1.75 ± 0.87
Blood urea nitrogen (mg/dL) 19.10 ± 11.67
Serum albumin (g/dL) 4.26 ± 0.40
Measured GFR by urinary inulin clearance (ml/min/1.73m2) 51.66 ± 31.68
Estimated GFR
 CKD-EPICr equation (ml/min/1.73m2) 76.58 ± 41.05a
 CKD-EPI (PK) equation (ml/min/1.73m2) 68.50 ± 38.40a
 CKD-EPI (JAP) equation (ml/min/1.73m2) 62.26 ± 33.38a
 MDRD equation (ml/min/1.73m2) 77.79 ± 43.36a
 CKD-EPICys equation (ml/min/1.73m2) 55.19 ± 33.58b
  1. BMI body mass index, CKD-EPI Chronic Kidney Disease Epidemiology Collaboration, Cys cystatin C, GFR glomerular filtration rate, F: female, JAP Japan, M male, MDRD Modification of Diet in Renal Disease, PK Pakistan
  2. asignificantly different from measured GFR by urinary inulin clearance (p < 0.01 for each comparison)
  3. bNot significantly different from measured GFR by urinary inulin clearance (p = 0.31)
  4. Mann-Whitney U test used for comparison between measured GFR and estimated GFR
  5. Expressed as mean ± standard deviation except sex