Skip to main content

Table 1 General characteristics and renal parameters:

From: Baseline characteristics of patients with chronic kidney disease stage 3 and stage 4 in spain: the MERENA observational cohort study

Characteristics Total
(n = 1129)
CKD Stage 3
(n= 434)
CKD Stage 4
(n= 695)
Pvalue
Age (yr; mean ± SD]) [range] 68 ± 13 [19-94] 68 ± 13 [19-89] 67 ± 13 [19-94] 0.428
Male gender (%) 64.0 75.3 57.0 0.001
Female gender (%) 36.0 24.7 43.0 < 0.001
Previous follow-up (months) [range] 24 ± 12 [0-46] 25 ± 7 [0-46] 23 ± 4 [0-46] 0.004
BMI (kg/m2; mean ± SD) [range] 28.4 ± 4.9 [15.6-60] 27.8 ± 4.3 [15.6-60] 29.0 ± 5.2 [18.2-43] < 0.001
Patients with BMI > 30 kg/m2 (%) 31.7 24.5 36.1 0.001
Patients with BMI between 25-29.9 kg/m2 (%) 45.7 49.0 43.6 0.096
Patients with BMI < 25 kg/m2 (%) 22.7 26.4 20.3 0.018
Diabetes Mellitus (%) 40.8 46.1 37.6 0.003
Serum creatinine (mg/dL) [range] 2.4 ± 0.7 [1.3-5.7] 2.0 ± 0.5 [1.3-3.5] 2.7 ± 0.6 [1.7-5.7] 0.001
eGFR (MDRD) ml/min/1.73 m2 [range] 28 ± 8 [15-58] 33 ± 8 [30-58] 23 ± 5 [15-29] 0.001
Cockcroft-Gault creat. clear. ml/min [range] 30 ± 8 [12-62] 37 ± 7 [21-62] 23 ± 4 [12-4] 0.001