Table 1.
Baseline description and comparison
| Factor | Classification | Frequent IDH | Chi2/t | P | |
|---|---|---|---|---|---|
| No (n = 112) | Yes (n = 48) | ||||
| Gender, n(%) | Male | 32 (28.6%) | 26 (54.2%) | 9.53 | 0.0020 |
| Female | 80 (71.4%) | 22 (45.8%) | |||
| ESRD etiology | CGN | 31 (27.7%) | 15 (31.2%) | 8.61 | 0.0350 |
| DM | 23 (20.5%) | 15 (31.3%) | |||
| HTN | 29 (25.9%) | 3 (6.2%) | |||
| Others | 29 (25.9%) | 15 (31.3%) | |||
| VA type | AVF | 101 (90.2%) | 39 (81.2%) | — | 0.0310* |
| AVG | 4 (3.6%) | 0 (0.0%) | |||
| TCC | 7 (6.2%) | 9 (18.8%) | |||
| Age (year) | (m ± sd) | 61.6 ± 11.0 | 64.0 ± 11.7 | 1.23 | 0.2188 |
| Vintage (month) | median (IQR) | 51.0 (25.0, 89.0) | 59.0 (29.5, 90.0) | 1.04 | 0.2971# |
| IDWG% | (m ± sd) | 3.5 ± 1.3 | 3.9 ± 1.0 | 1.77 | 0.0800 |
| uf (L) | (m ± sd) | 2.3 ± 0.9 | 2.4 ± 0.7 | 0.72 | 0.4755 |
| Pre-SBP (mmHg) | (m ± sd) | 144.5 ± 14.9 | 133.5 ± 23.8 | 2.97 | 0.0042 |
| Pre-DBP (mmHg) | (m ± sd) | 80.3 ± 8.7 | 75.6 ± 12.1 | 2.46 | 0.0165 |
| Kt/V | (m ± sd) | 1.3 ± 0.3 | 1.4 ± 0.3 | 1.09 | 0.2777 |
| BMI (Kg/m2) | (m ± sd) | 21.9 ± 3.3 | 21.6 ± 2.8 | 0.51 | 0.6097 |
| LDL-C (mmol/L) | (m ± sd) | 2.5 ± 1.0 | 2.9 ± 0.9 | 0.22 | 0.0276 |
Abbreviations: ESRD = end-stage renal disease, VA = vascular access, AVF = arteriovenous fistula, AVG = arteriovenous graft, TCC = cuffed catheter, idwg = interdialysis weight gain, uf = average reality ultrafiltration volume, BMI = body mass index, LDL = low-density lipoprotein, Pre-SBP = predialysis Systolic Blood Pressure, Pre-DBP = predialysis Diastolic Blood Pressure, Kt/V: Urea clearance index
*Fisher’s exact test
# Kruskal‒Wallis test was employed due to the skewed distribution