Table 1 Characteristics of patients with chronic kidney disease, stratified according to BMI group
BMI group | Q1 | Q2 | Q3 | Q4 | P |
|---|---|---|---|---|---|
N | 661 | 662 | 663 | 662 | |
BMI (kg/m2) | 19.5, 18.4–20.3 | 22.0, 21.5–22.6 | 24.3, 23.7–24.8 | 27.6, 26.5–29.6 | |
Age (y) | 59, 42–73 | 65, 54–74 | 63, 55–72 | 61, 51–71 | <.0001 |
Gender (male, %) | 40.8 | 55.0 | 61.2 | 56.9 | <.0001 |
Body high (cm) | 159, 153–165 | 161, 154–167 | 162, 154–168 | 161, 153–168 | 0.0012 |
Body weight (kg) | 48.5, 44–53.5 | 57, 52–62 | 63, 57.5–69 | 73, 65–80 | <.0001 |
Smoking (%) | 16.4 | 15.6 | 16.6 | 16.5 | 0.961 |
Albumin (g/dL) | 4.0, 3.7–4.3 | 4.0, 3.7–4.3 | 4.1, 3.8–4.3 | 4.1, 3.9–4.4 | <.0001 |
Hemoglobin (g/dL) | 12.3, 10.8–13.4 | 12.7, 11.2–13.9 | 13.3, 11.6–14.6 | 13.6, 12.1–14.9 | <.0001 |
Diabetes (%) | 18.8 | 27.6 | 32.9 | 33.8 | <.0001 |
History of CVD (%)a | 16.3 | 17.1 | 20.2 | 15.3 | 0.097 |
Stroke (%) | 6.5 | 6.7 | 8.1 | 4.7 | 0.087 |
Cardiac disease (%) | 11.8 | 12.1 | 14.3 | 11.5 | 0.383 |
SBP (mmHg) | 125, 116–137 | 130, 121–140 | 132, 122–141 | 132, 124–142 | <.0001 |
DBP (mmHg) | 74, 66–81 | 77, 70–82 | 77, 70–84 | 80, 70–86 | <.0001 |
MBP (mmHg) | 92, 84–99 | 94, 88–101 | 96, 88–102 | 97, 90–104 | <.0001 |
CKD stage | 0.276 | ||||
G1–2 | 43.4 | 37.6 | 38.3 | 40.0 | |
G3a | 18.5 | 22.7 | 22.9 | 24.2 | |
G3b | 14.4 | 16.5 | 16.9 | 15.1 | |
G4 | 14.7 | 14.5 | 12.2 | 13.1 | |
G5 | 9.1 | 8.8 | 9.7 | 7.6 | |
eGFR (mL/min/1.73 m2) | 54.7, 31.6–77.1 | 52.0, 31.7–71.6 | 52.8, 33.6–69.8 | 55.1, 35.8–72.6 | 0.149 |
Proteinuria (%) | 44.9 | 49.0 | 50.2 | 55.2 | 0.003 |