Table 1. Study characteristics of patients.
| Mean (SD) | Median (Q1, Q3) | min, max | |
|---|---|---|---|
| Gender, n (%) | |||
| Male | 125 (70.6) | ||
| Female | 52 (29.4) | ||
| Age (years) | 66.6 (9.6) | 65.5 (60.0, 74.2) | 42.0, 88.1 |
| Height (cm) | 162.4 (7.3) | 164.0 (158.0, 167.0), | 143.0, 183.0 |
| Weight (kg) | 70.8 (12.1) | 71.0 (62.0, 78.0) | 47.0, 113.0 |
| BMI (kg/m2) | 26.8 (3.7) | 26.6 (24.2, 28.7) | 18.5, 40.9 |
| Waist circumference (cm) | 95.3 (9.8) | 95.5 (90.0, 101.0) | 71.0, 136.0 |
| Neck circumference (cm) | 38.7 (3.8) | 38.0 (36.5, 41.0) | 31.0, 49.0 |
| Blood pressure (mm Hg) | |||
| Systolic blood pressure | 135.8 (13.8) | 135.0 (126.3, 143.3) | 88.0, 197.0 |
| Diastolic blood pressure | 77.6 (8.2) | 77.7 (72.3, 82.3) | 52.0, 103.0 |
| Creatinine (mg/dL) | 1.15 (0.44) | 1.08 (0.92, 1.27) | 0.58, 4.17 |
| Cystatin C (mg/L) | 1.05 (0.33) | 0.96 (0.86, 1.15) | 0.57, 2.84 |
| Blood urea nitrogen (mg/dL) | 18.7 (7.2) | 17.9 (14.3, 20.6) | 9.5, 60.4 |
| Uric acid (mg/dL) | 6.7 (1.6) | 6.6 (5.7, 7.7) | 2.5, 11.8 |
| Albuminuria (mg/day) | 174.2 (800.5) | 11.8 (6.5, 40.0) | 1.4, 8991.0 |
| Normal (< 30 mg/day) | 118 (68.6) | ||
| Microalbuminuria (30–300 mg/day) | 38 (22.1) | ||
| Massive albuminuria (> 300 mg/day) | 16 (9.3) | ||
| rGFR (ml/min/1.73 m2) | 50.4 (19.7) | 49.2 (38.2, 62.6) | 10.2, 112.2 |
| ≧90 ml/min/1.73 m2 | 5 (2.8) | ||
| 60–90 ml/min/1.73 m2 | 49 (27.7) | ||
| 45–60 ml/min/1.73 m2 | 46 (26.7) | ||
| 30–45 ml/min/1.73 m2 | 45 (26.2) | ||
| 15–30 ml/min/1.73 m2 | 21 (11.9) | ||
| <15 ml/min/1.73 m2 | 6 (3.4) | ||
| GFR_MDRD ml/min/1.73 m2 | 68.6 (19.3) | 70.4 (56.8, 79.8) | 14.7, 137.6 |
| GFR_CG ml/min/1.73 m2 | 66.01 (24.1) | 62.7 (50.7, 79.9) | 10.5, 148.9 |
SD: standard deviation; BMI: body mass index; rGFR: Standard value of GFR; MDRD: Modification in Renal Disease; CG: Cockcroft-Gault