Table 2.
Demographic and clinical characteristics of patients (n = 327) with obstructive nephropathy that participated in this study to compare three equations used to estimate glomerular filtration rate (eGFR) compared with measured GFR.
| Total cohort n = 327 | Females n = 133 | Males n = 194 | |
|---|---|---|---|
| Age, years | 56.25 ± 14.19 | 56.07 ±14.20 | 56.38 ± 14.23 |
| Weight, kg | 61.85 ± 10.43 | 56.82 ± 8.41 | 65.31 ± 10.30 |
| Height, cm | 164.72 ± 7.07 | 158.95 ± 5.07 | 168.68 ± 5.32 |
| Body mass index, kg/m2 | 22.73 ± 3.12 | 22.48 ± 3.14 | 22.90 ± 3.10 |
| Body surface area, m2 | 1.77 ± 0.15 | 1.67 ± 0.12 | 1.84 ± 0.14 |
| Serum albumin, g/l | 38.07 ± 6.00 | 38.82 ± 5.34 | 37.56 ± 7.37 |
| Serum creatinine, μmol/l | 80.00 (63.10–110.10) | 64.60 (56.20–82.60) | 89.40 (73.70–128.02) |
| Serum urea nitrogen, mmol/l | 5.92 ± 3.77 | 5.13 ± 2.81 | 6.46 ± 4.22 |
| Measured GFR, ml/min/1.73m2 | 69.58 ± 21.15 | 70.41 ± 20.31 | 69.02 ± 21.74 |
| Chronic kidney disease stage | |||
| 1 | 54 (16.51) | 23 (17.29) | 31 (15.98) |
| 2 | 166 (50.76) | 70 (52.63) | 96 (49.48) |
| 3 | 97 (29.66) | 36 (27.07) | 61 (31.44) |
| 4 | 10 (3.06) | 4 (3.01) | 6 (3.09) |
Data presented as mean ± SD, median (interquartile range) and n of patients (%).