0–39 years old | 40–64 years old | 65–84 years old | over 85 years old | P | |
---|---|---|---|---|---|
Number | 16 | 188 | 304 | 34 | |
Age (years old) | 31.9 ± 7.3 | 55.4 ± 6.9 | 73.4 ± 5.9 | 87.3 ± 2.2 | |
Gender (male/female) | 12/4 | 133/55 | 203/101 | 16/18 | 0.51 |
Renal biopsy (%) | 37.5 | 18.8 | 9.3 | 0.0 | < 0.01 |
Medical checkup history (%) | 66.7 | 57.0 | 29.8 | 12.5 | < 0.01 |
Diabetes at dialysis initiation (%) | 25.0 | 65.6 | 59.8 | 38.2 | < 0.01 |
Hypertension at dialysis initiation (%) | 93.8 | 97.3 | 93.7 | 88.2 | 0.12 |
Prior myocardial infarction (%) | 0.0 | 8.1 | 12.1 | 8.8 | 0.28 |
Prior stroke (%) | 0.0 | 12.1 | 18.4 | 8.8 | 0.06 |
Prior peripheral artery disease (%) | 0.0 | 7.4 | 9.3 | 12.9 | 0.45 |
Prior malignancy (%) | 0.0 | 7.3 | 18.7 | 11.8 | < 0.01 |
Family history of kidney disease (%) | 13.3 | 12.9 | 10.2 | 7.7 | 0.80 |
Primary kidney disease (%) | |||||
Diabetic nephropathy | 25.0 | 61.2 | 49.7 | 32.4 | < 0.01 |
Hypertensive nephrosclerosis | 0.0 | 8.5 | 17.8 | 38.2 | |
Chronic glomerulonephritis | 43.8 | 18.6 | 16.4 | 11.8 | |
Autosomal dominant polycystic kidney disease | 0.0 | 5.3 | 1.3 | 0.0 | |
Rapidly progressive glomerulonephritis | 0.0 | 1.6 | 3.0 | 5.9 | |
Other disease | 25.0 | 2.7 | 6.9 | 8.8 | |
Unknown cause | 6.3 | 2.1 | 4.9 | 2.9 | |
Body mass index (kg/m2) | 27.0 ± 9.4 | 25.9 ± 5.0 | 23.7 ± 3.7 | 22.3 ± 3.3 | < 0.01 |
Systolic blood pressure (mmHg) | 157.8 ± 29.9 | 154.1 ± 24.1 | 149.2 ± 26.5 | 141.4 ± 32.4 | 0.01 |
Diastolic blood pressure (mmHg) | 99.1 ± 16.5 | 82.5 ± 16.3 | 75.0 ± 15.2 | 69.2 ± 14.1 | < 0.01 |
Hemoglobin (g/dL) | 10.0 ± 4.5 | 9.0 ± 1.6 | 8.9 ± 1.8 | 9.2 ± 1.7 | 0.53 |
Serum creatinine (mg/dL) | 11.9 ± 3.7 | 10.2 ± 3.1 | 8.6 ± 2.6 | 7.2 ± 2.3 | < 0.01 |
Estimated glomerular filtration rate (mL/min/1.73m2) | 4.2 ± 1.3 | 4.9 ± 1.6 | 5.8 ± 1.8 | 6.7 ± 2.0 | < 0.01 |
Serum uric acid (mg/dL) | 9.4 ± 2.2 | 8.2 ± 2.2 | 7.8 ± 2.3 | 7.8 ± 2.4 | 0.03 |
Serum albumin (g/dL) | 3.5 ± 0.7 | 3.3 ± 0.6 | 3.3 ± 0.6 | 3.1 ± 0.7 | 0.18 |
Serum total cholesterol (mg/dL) | 192.2 ± 68.7 | 163.2 ± 52.8 | 154.3 ± 44.5 | 163.4 ± 47.1 | 0.08 |
Serum corrected calcium (mg/dL) | 8.2 ± 1.1 | 8.3 ± 1.0 | 8.6 ± 1.1 | 8.8 ± 0.9 | < 0.01 |
Serum phosphate (mg/dL) | 6.8 ± 2.2 | 6.7 ± 2.0 | 6.1 ± 1.8 | 5.4 ± 1.4 | < 0.01 |
Hemoglobin A1c (%) | 5.4 ± 1.4 | 5.9 ± 0.9 | 5.9 ± 0.9 | 5.7 ± 0.7 | 0.04 |
Serum β2-microglobulin (mg/L) | 17.8 ± 4.9 | 25.1 ± 43.2 | 29.0 ± 61.4 | 19.6 ± 7.1 | 0.07 |
Intact-parathyroid hormone (pg/ml) | 494.3 ± 309.9 | 365.2 ± 286.4 | 241.7 ± 172.9 | 222.0 ± 58.9 | < 0.01 |