Table 3 Characteristics of the subjects by chronic kidney disease
From: C-reactive protein levels, airflow obstruction, and chronic kidney disease
Characteristics | CKD (−) (n = 10,362) | CKD (+) (n = 1,225) | p |
|---|---|---|---|
Age (years) | 53.8 ± 8.7 | 61.5 ± 9.4 | <0.001 |
BMI (kg/m2) | 23.7 ± 2.9 | 23.9 ± 2.6 | <0.05 |
FEV1 % predicted | 94.2 ± 11.1 | 94.7 ± 12.3 | 0.12 |
FEV1/FVC (%) | 78.6 ± 6.4 | 77.3 ± 6.6 | <0.001 |
Creatinine (mg/dL) | 0.84 ± 0.10 | 1.19 ± 0.80 | <0.001 |
Estimated GFR (mL/min/1.73 m2) | 76.8 ± 11.1 | 53.1 ± 7.6 | <0.001 |
CRP (mg/L) | 0.11 ± 0.32 | 0.18 ± 0.65 | <0.05 |
Hyper-LDL-cholesterolemia (%) | 31.6 | 39.5 | <0.001 |
Hypertension (%) | 29.2 | 47.4 | <0.001 |
Diabetes (%) | 9.7 | 11.8 | <0.05 |
Medication | |||
Treatment for cholesterolemia (%) | 7.4 | 15.8 | <0.001 |
Treatment for hypertension (%) | 17.0 | 37.6 | <0.001 |
Treatment for diabetes (%) | 4.9 | 7.7 | <0.001 |
Lung function status | <0.001 | ||
Normal lung function | 92.4 | 89.1 | |
GOLD stage I | 3.7 | 5.3 | |
GOLD stage II–IV | 3.8 | 5.6 | |
Smoking history (%) | <0.001 | ||
Never smokers | 31.0 | 38.7 | |
Former smokers | 36.8 | 48.3 | |
Current smokers | 32.2 | 13.0 | |
Pack-yearsa | 18.8 ± 19.8 | 17.3 ± 21.1 | <0.001 |
Alcohol intake (%) | <0.001 | ||
Non-drinkers | 22.9 | 31.4 | |
1–2 days/week | 13.3 | 12.7 | |
3–4 days/week | 11.3 | 10.4 | |
5–6 days/week | 12.7 | 14.8 | |
Everyday drinkers | 39.8 | 30.7 | |
Regular physical activitya (%) | 34.5 | 49.5 | <0.001 |