Table 4. Clinical characteristics of IgAN patients with CKD stage G3a and G3b.
| Characteristics | stage G3a (n = 209) | stage G3b (n = 181) | P value |
|---|---|---|---|
| Age(yr) | 39.39 ± 12.23 | 40.91 ± 13.24 | 0.242 |
| Sex (male/femal) | 143/66 | 121/60 | 0.741 |
| Systolic blood pressure (mmHg) | 134.00 (120.00, 145.00) | 134.00 (120.5, 145.00) | 0.350 |
| Diastolic blood pressure (mmHg) | 83.00 (78.00, 90.00) | 86.00 (80.00, 96.00) | 0.065 |
| Hemoglobin (g/L) | 129.62 ± 21.49 | 121.51 ± 23.85 | < 0.001* |
| Serum uric acid (umol/L) | 412.80 ± 101.92 | 456.35 ± 123.70 | < 0.001* |
| Serum creatinine (umol/L) | 137.00 (119.70, 150.00) | 178.00 (154.00, 204.00) | < 0.001* |
| Serum urea nitrogen (mmol/L) | 7.50 (6.19, 9.09) | 10.00 (8.20, 12.70) | < 0.001* |
| eGFR(mL/min/per 1.73m2) | 52.68 ± 4.39 | 37.95 ± 4.65 | < 0.001* |
| Serum albumin (g/L) | 37.80 (32.30, 40.65) | 37.10 (32.20, 40.50) | 0.239 |
| Serum cholesterol (mmol/L) | 4.73 (4.11, 5.79) | 4.75 (3.88,5.72) | 0.747 |
| Serum triglyceride(mmol/L) | 1.51 (1.09, 2.11) | 1.67 (1.19, 2.90) | 0.013* |
| Serum calcium (mmol/L) | 2.23 ± 0.15 | 2.22 ± 0.18 | 0.508 |
| Serum phosphorus (mmol/L) | 1.24 ± 0.23 | 1.36 ± 0.32 | < 0.001* |
| Proteinuria of 24-hour (g) | 1.78 (1.03, 3.10) | 2.10 (1.15, 4.23) | 0.082 |
*P<0.05.
Abbreviations: IgAN, IgA nephropathy; CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate.