| | Variable | All patients (n = 322) | Patients with TP (n = 93) | Patients without TP (n = 229) | P value |
| | Baseline characteristics | | | | | | Age, year | 61.1 ± 11.8 | 57.8 ± 10.0 | 62.4 ± 12.3 | 0.001 | | Female gender, n (%) | 143 (44.4) | 56 (60.2) | 87 (38.0) | <0.001 | | Hypertension, n (%) | 164 (50.9) | 48 (51.6) | 116 (50.7) | 0.876 | | Diabetes mellitus, n (%) | 114 (35.4) | 32 (34.4) | 82 (35.8) | 0.812 | | Dialysis duration, months | 107.1 ± 82.3 | 103.6 ± 85.2 | 108.6 ± 81.3 | 0.622 | | Alcohol consumption, n (%) | 11 (3.4) | 4 (4.3) | 7 (3.1) | 0.577 | | Betel nut chewing, n (%) | 12 (3.7) | 5 (5.4) | 7 (3.1) | 0.319 | | Cigarette habit, n (%) | 28 (8.6) | 7 (7.5) | 21 (9.2) | 0.635 | | Bruxism habit, n (%) | 33 (10.2) | 11 (11.8) | 22 (9.6) | 0.551 |
| | Laboratory findings | | | | | | Blood urea nitrogen, mg/dL | 67.4 ± 17.7 | 68.9 ± 15.3 | 66.8 ± 18.6 | 0.341 | | Creatinine, mg/dL | 10.3 ± 2.1 | 10.4 ± 1.9 | 10.3 ± 2.1 | 0.566 | | Estimated glomerular filtration rate, mL/min/1.73 m2 | 4.8 ± 1.1 | 4.5 ± 1.1 | 4.8 ± 1.1 | 0.017 | | Uric acid, mg/dL | 6.7 ± 1.3 | 7.0 ± 1.2 | 6.7 ± 1.3 | 0.036 | | Sodium, mEq/L | 137.8 ± 2.8 | 137.7 ± 2.8 | 137.9 ± 2.8 | 0.716 | | Potassium, mEq/L | 4.7 ± 0.7 | 4.8 ± 0.6 | 4.6 ± 0.7 | 0.013 | | Chloride, mEq/L | 99.1 ± 2.9 | 99.1 ± 3.1 | 99.1 ± 2.8 | 0.925 | | Calcium, mg/dL | 9.7 ± 0.9 | 9.6 ± 0.9 | 9.7 ± 1.0 | 0.771 | | Phosphate, mg/dL | 5.0 ± 1.2 | 5.4 ± 1.1 | 4.9 ± 1.1 | 0.001 | | Bicarbonate, mmol/L | 21.7 ± 2.4 | 20.9 ± 2.4 | 22.0 ± 2.3 | <0.001 | | Fasting glucose, mg/dL | 117.0 ± 53.0 | 114.5 ± 54.2 | 118.0 ± 52.6 | 0.596 | | Albumin, g/dL | 4.0 ± 0.3 | 4.0 ± 0.3 | 3.9 ± 0.3 | 0.108 | | Alkaline phosphatase, U/L | 75.0 ± 41.3 | 73.5 ± 44.1 | 75.6 ± 40.2 | 0.684 | | Total cholesterol, mg/dL | 160.6 ± 33.2 | 168.2 ± 33.3 | 157.5 ± 32.8 | 0.009 | | High-density lipoprotein, mg/dL | 43.2 ± 14.2 | 42.8 ± 14.0 | 43.3 ± 14.3 | 0.750 | | Low-density lipoprotein, mg/dL | 106.2 ± 72.6 | 110.6 ± 68.1 | 104.4 ± 74.4 | 0.492 | | Triglyceride, mg/dL | 146.5 ± 117.0 | 148.8 ± 105.3 | 145.6 ± 121.6 | 0.826 | | Aspartate aminotransferase, U/L | 22.1 ± 8.9 | 22.3 ± 7.9 | 22.0 ± 9.2 | 0.813 | | Alanine aminotransferase, U/L | 17.5 ± 12.9 | 18.8 ± 13.4 | 16.9 ± 12.8 | 0.220 | | Gamma-glutamyl transferase, U/L | 32.2 ± 42.9 | 32.4 ± 45.7 | 32.1 ± 41.9 | 0.955 | | White blood cell count, 103/uL | 6.4 ± 1.9 | 6.8 ± 2.1 | 6.2 ± 1.8 | 0.014 | | Red blood cell count, 106/uL | 3.6 ± 0.5 | 3.6 ± 0.5 | 3.6 ± 0.6 | 0.339 | | Hemoglobin, g/dL | 10.4 ± 1.2 | 10.3 ± 1.2 | 10.5 ± 1.2 | 0.316 | | Hematocrit, % | 32.0 ± 3.6 | 31.7 ± 3.5 | 32.1 ± 3.6 | 0.335 | | Mean corpuscular volume, fL | 89.0 ± 7.5 | 89.1 ± 6.5 | 89.0 ± 7.9 | 0.903 | | Mean corpuscular hemoglobin, pg/Cell | 29.0 ± 2.8 | 29.0 ± 2.5 | 28.9 ± 3.0 | 0.928 | | Mean corpuscular hemoglobin concentration, gHb/dL | 32.5 ± 1.0 | 32.5 ± 0.9 | 32.5 ± 1.1 | 0.753 | | Red blood cell distribution width, % | 14.5 ± 1.4 | 14.4 ± 1.5 | 14.6 ± 1.3 | 0.135 | | Platelet count, 103/uL | 184.3 ± 63.7 | 200.3 ± 61.8 | 177.8 ± 63.4 | 0.004 | | Iron, ug/dL | 70.2 ± 53.6 | 76.1 ± 89.6 | 67.8 ± 28.1 | 0.208 | | Total iron binding capacity, ug/dL | 256.9 ± 49.8 | 262.7 ± 50.2 | 254.6 ± 49.5 | 0.186 | | Ferritin, ng/mL | 297.7 ± 300.4 | 285.4 ± 242.4 | 303.0 ± 321.3 | 0.634 | | Intact parathyroid hormone, pg/mL | 325.7 ± 311.4 | 314.1 ± 298.1 | 330.4 ± 317.1 | 0.671 | | High sensitivity C-reactive protein, mg/L | 6.9 ± 11.1 | 6.5 ± 10.2 | 7.1 ± 11.4 | 0.676 |
| | Dialysis related data | | | | | | Residual glomerular filtration rate, mL/min | 3.5 ± 3.4 | 3.5 ± 3.4 | 3.5 ± 3.4 | 0.893 | | Urea reduction ratio | 0.8 ± 0.1 | 0.8 ± 0.1 | 0.8 ± 0.1 | 0.569 | | Kt/V | 1.8 ± 0.4 | 1.8 ± 0.3 | 1.8 ± 0.4 | 0.666 | | Time-averaged concentration of urea, mg/dL | 39.6 ± 9.8 | 40.5 ± 8.9 | 39.2 ± 10.1 | 0.288 | | Normalized protein catabolic rate, g/kg/day | 1.2 ± 0.4 | 1.2 ± 0.4 | 1.2 ± 0.4 | 0.617 |
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