Basic characteristics of the patientsa
| Characteristic (n = 684) | Mean ± SD (Median) or n (%) |
|---|---|
| Female (n [%]) | 332 (48.53) |
| Age (yr) | 49.9 ± 15.8 (49.0) |
| Height (cm) | 164.7 ± 8.3 (165.0) |
| Weight (kg) | 64.5 ± 12.4 (63.0) |
| BSA (m2) | 1.7 ± 0.18 (1.7) |
| BMI (kg/m2) | 23.6 ± 3.6 (23.4) |
| Plasma creatinine (mg/dl) | 2.0 ± 1.8 (1.3) |
| Plasma urea nitrogen (mg/dl) | 28.4 ± 19.9 (21.5) |
| Plasma albumin (g/dl) | 3.99 ± 0.6 (4.1) |
| rGFR (ml/min per 1.73 m2) | 55.1 ± 35.1 (49.9) |
| Causes of CKD | |
| primary or secondary glomerular disease | 264 (38.6) |
| hypertension | 102 (14.9) |
| obstructive kidney disease | 92 (13.5) |
| renovascular disease | 89 (13.0) |
| chronic tubulointerstitial disease | 44 (6.4) |
| diabetic nephropathy | 37 (5.4) |
| polycystic kidney disease | 18 (2.6) |
| other causes or causes unknown | 38 (5.6) |
| CKD stages | |
| 1 | 125 (18.3) |
| 2 | 161 (23.6) |
| 3 | 197 (28.8) |
| 4 | 101 (14.7) |
| 5 | 100 (14.6) |
↵a BMI, body mass index; BSA, body surface area; CKD, chronic kidney disease; rGFR, reference GFR.