Table 2 Characteristics and baseline data of elderly and younger patients treated with USPD
Variables | Younger Patients (n = 1166) | Older patients (n = 379) | t/χ2/Z | p-value |
|---|---|---|---|---|
Male (n, %) | 688 (60.2) | 173 (45.6) | 24.690 | 0.000 |
Etiology (n, %) | Â | Â | 14.159 | 0.015 |
 Glomerulonephritis | 442 (38.7) | 123 (32.5) |  |  |
 Diabetic nephropathy | 331 (29.0) | 124 (32.7) |  |  |
 Hypertensive nephropathy | 176 (15.4) | 66 (17.4) |  |  |
 Interstitial nephritis | 29 (2.1) | 6 (1.6) |  |  |
 Polycystic kidney | 24 (2.1) | 6 (1.6) |  |  |
 Others | 140 (12.3) | 37 (10.3) |  |  |
Co-morbidities (n, %) | Â | Â | Â | Â |
 Hypertension | 1051 (92.0) | 345 (91.0) | 0.379 | 0.538 |
 Diabetes | 314 (34.5) | 167 (44.1) | 11.177 | 0.001 |
NYHA-FC (n, %) | Â | Â | 65.042 | 0.000 |
 0 | 722 (63.2) | 150 (39.6) |  |  |
 I–II | 238 (20.8) | 129 (34.0) |  |  |
 III–IV | 182 (15.9) | 100 (26.4) |  |  |
Abdominal surgery history (n, %) | 133 (11.6) | 55 (14.5) | 2.157 | 0.142 |
Laboratory Index | Â | Â | Â | Â |
 WBC (*109/L) | 6.90 (5.35, 8.16) | 6.93 (5.27, 8.28) | -1.084 | 0.278 |
 Hb (g/L) | 84.00 (72.00, 97.00) | 84.83 (73.00, 95.00) | -0.059 | 0.953 |
 Alb (g/L) | 34.34 (30.68, 38.00) | 33.50 (30.30, 36.27) | -2.451 | 0.014 |
 eGFR (ml/min/1.73m2) | 5.30 (3.97, 7.10) | 5.36 (4.17, 6.96) | -0.514 | 0.607 |
 K (mmol/L) | 4,61 (4.02, 5.06) | 4.60 (4.02, 5.18) | -0.089 | 0.929 |
 Ca (mmol/L) | 1.96 (1.79, 2.12) | 1.97 (1.82, 2.14) | -0.792 | 0.428 |
 P (mmol/L) | 2.01 (1.62, 2.36) | 1.83 (1.42, 2.14) | -5.271 | 0.000 |