Table 2.
Univariable analysis of independent characteristics in the maturation of AVF
| Factor | Crude OR (95% CI) | P value |
|---|---|---|
| Age (yr) | 0.45 | |
| > 50 | ||
| ≤ 50 | 0.814 (0.477–1.389) | |
| Gender | 0.049* | |
| Male | ||
| Female | 0.615 (0.379–0.998) | |
| Arm | 0.129* | |
| Left | ||
| Right | 1.505 (0.887–2.553) | |
| Fistula | 0.115* | |
| Brachiocephalic | ||
| Radiocephalic | 0.715 (0.423–1.208) | |
| Brachiocephalic | 0.479 (0.222–1.036) | |
| Surgeons | 0.788 | |
| Surgeon A | ||
| Surgeon B | 0.985 (0.578–1.679) | |
| Surgeon C | 1.935 (0.367–10.206) | |
| Surgeon D | 0.516 (0.084–3.154) | |
| Surgeon E | 0.619 (0.162–2.373) | |
| Peripheral vascular disease | 0.001* | |
| Yes | ||
| No | 3.04 (1.585–5.829) | |
| Diabetes mellitus | 0.102* | |
| Yes | ||
| No | 1.48 (0.925–2.367) | |
| Smoker | 0.49 | |
| Yes | ||
| No | 0.789 (0.402–1.547) | |
| Hypertension | 0.406 | |
| Yes | ||
| No | 0.793 (0.458–1.371) | |
| Dialysis | 0.513 | |
| Yes | ||
| No | 1.17 (0.731–1.873) | |
| K+ (mmol/L) | 0.948 | |
| Normal | ||
| Abnormal | 1.015 (0.642–1.605) | |
| Na+ (mmol/L) | 0.439 | |
| Normal | ||
| Abnormal | 1.295 (0.673–2.494) | |
| Ca++ (mmol/L) | 0.525 | |
| ≤ 2.5 | ||
| > 2.5 | 0.804 (0.41–1.577) | |
| HCO3 (mmol/L) | 0.743 | |
| ≤ 23 | ||
| > 23 | 0.926 (0.586–1.465) | |
| Creatinine (μmol/L) | 0.676 | |
| > 400 | ||
| > 120 and ≤ 400 | 0.913 (0.576–1.447) | |
| ≤ 120 | 0.37 (0.033–4.182) | |
| Urea (mmol/L) | 0.949 | |
| > 15 | ||
| > 6.6 and ≤ 15 | 1.076 (0.591–1.960) | |
| ≤ 6.6 | 1.09 (0.73–2.073) | |
| eGFR (mL/min/1.73 m2) | 0.459 | |
| ≤ 15 | ||
| > 15 | 0.834 (0.516–1.349) | |
| SBP (mmHg) | 0.101* | |
| ≤ 130 | ||
| >130 | 1.468 (0.927–2.325) | |
| DBP (mmHg) | 0.786 | |
| ≤ 85 | ||
| > 85 | 0.897 (0.411–1.958) | |
| BMI (kg/m2) | 0.563 | |
| ≤ 30 | ||
| > 30 | 1.165 (0.694–1.957) | |
| PT (sec) | 0.413 | |
| ≤ 13.4 | ||
| > 13.5 | 0.757 (0.389–1.474) | |
| INR (ratio) | 0.140* | |
| ≤ 1.2 | ||
| > 1.2 | 0.589 (0.292–1.189) | |
| TC (mmol/L) | 0.24* | |
| ≤ 5 | ||
| >5 | 1.294 (0.804–2.084) | |
| TG (mmol/L) | 0.289 | |
| ≤ 2.1 | ||
| > 2.1 | 0.773 (0.48–1.244) | |
| HDL (mmol/L) | 0.874 | |
| ≤ 1.1 | ||
| > 1.1 | 1.037 (0.658–1.637) | |
| Vein size (mm) | < 0.001* | |
| ≤ 2.5 | ||
| > 2.5 | 4.254 (1.983–9.126) |
AVF, arteriovenous fistula; BMI, body mass index; Ca, calcium; CI, confidence interval; DBP, diastolic blood pressure; eGFR, estimated glomerular filtration rate; HCO3, bicarbonate; HDL, high-density lipoprotein; INR, international normalization ratio; K, potassium; Na, sodium; OR, odds ratio; PT, prothrombin time; SBP, systolic blood pressure; TC, total cholesterol; TG, triglyceride.
Independent patient factors and blood markers that underwent in univariate analysis and their association with the maturation of AVF;
*
significant variables having P < 0.25.