Table 1. Baseline characteristics of enrollees.
| Clinial features | Results |
|---|---|
| Demographic data | |
| Age (years) | 68.4 ± 10.8 |
| Gender (male%) | 18 (44) |
| Dialysis duration (years) | 2.7 ± 2.5 |
| Comorbid conditions | |
| Diabetes mellitus | 19 (46) |
| Hypertension | 35 (85) |
| Coronary artery disease | 9 (22) |
| Heart failure | 8 (20) |
| Malignancy | 5 (12) |
| Thyroid diseases | 5 (12) |
| Liu’s dialysis comorbidity index | 1.6 ± 1.8 |
| Etiology of end-stage renal disease | |
| Diabetic nephropathy | 16 (39) |
| Chronic glomerulonephritis | 3 (7) |
| Miscellaneousa | 7 (17) |
| Unknown | 15 (37) |
| Laboratory data | |
| Albumin (g/dL) | 3.7 ± 0.3 |
| Creatinine (mg/dL) | 10.4 ± 2.5 |
| Hemoglobin (mg/dL) | 9.5 ± 1.6 |
| Potassium (meq/L) | 4.7 ± 0.9 |
| Calcium (mg/dL) | 9 ± 0.9 |
| CRP (mg/dL) | 0.8 ± 1.3 |
| Electrocardiographic parameters | |
| PR interval (ms) | 185.4 ± 28.1 |
| QRS duration (ms) | 98.2 ± 18.2 |
| QTc interval (ms) | 427.6 ± 27.3 |
| Heart rate (per min) | 85.3 ± 18 |
| Medication use | |
| Beta-blockers | 12 (29) |
Notes.
Data were expressed as mean ± standard deviation for continuous variables, or number with percentages in parentheses for categorical variables.
a
Including unrecovering acute kidney injury, systemic lupus erythematosus, chronic interstitial nephritis, allograft failure, obstructive uropathy.