Table II.
Overall maturation rate based on baseline characteristics and DUS evaluation.
| Category | Mature AVF (N=71) | Non-mature AVF (N=22) | p-value | |||
|---|---|---|---|---|---|---|
| n | mean ± SD or % (95% CI) | n | mean ± SD or % (95% CI) | |||
| Age (years) | 71 | 59 ± 11.1 | 22 | 65 ± 13.1 | 0.054 | |
| Gender | Female | 26 | 74.3 (56.7–87.5) | 9 | 25.7 (12.5–43.3) | 0.35 |
| Male | 45 | 77.6 (64.7–87.5) | 13 | 22.4 (12.5–35.3) | ||
| Area | Urban | 42 | 76.4 (63.00–86.8) | 13 | 23.64 (13.2–37.0) | 0.49 |
| Rural | 29 | 76.3 (59.8–88.6) | 9 | 23.7 (11.4–40.2) | ||
| Smoker | Yes | 15 | 75.0 (50.9–91.3) | 5 | 25 (8.7–49.1) | 0.43 |
| No | 56 | 76.5 (65.4–85.8) | 17 | 23.3 (14.2–34.7) | ||
| DM | Yes | 25 | 78.1 (60.0–90.7) | 7 | 21.9 (9.3–40.0) | 0.39 |
| No | 46 | 75.4 (62.7–85.5) | 15 | 24.6 (14.5–37.3) | ||
| AHT | Yes | 61 | 75.3 (64.5–84.2) | 20 | 24.6 (15.8–35.5) | 0.29 |
| No | 10 | 83.3 (51.6–97.9) | 2 | 16.7 (2.1–48.4) | ||
| IC | Yes | 24 | 72.4 (58.9–90.4) | 7 | 22.6 (9.6–41.1) | 0.43 |
| No | 47 | 75.8 (63.3–85.8) | 15 | 24.2 (14.2–36.7) | ||
| PAD | Yes | 11 | 61.1 (35.8–82.7) | 7 | 38.9 (17.3–64.3) | 0.056 |
| No | 60 | 80.0 (69.2–88.4) | 15 | 20 (11.7–30.8) | ||
| Before dialysis | Yes | 27 | 79.4 (62.1–91.3) | 7 | 20.6 (8.7–37.9) | 0.31 |
| No | 44 | 74.6 (61.6–85.0) | 15 | 25.4 (15.0–38.4) | ||
| AVF type | Radiocephalic | 32 | 68.1 (52.9–80.9) | 15 | 31.9 (9.1–47.1) | 0.15 |
| Brachiocephalic | 31 | 83.8 (68.0–93.8) | 6 | 16.2 (6.2–32.0) | ||
| Brachiobasilic | 8 | 88.9 (51.8–99.7) | 1 | 11.1 (0.3–48.3) | ||
Note: statistical analysis performed by ANOVA chi-square test and ANOVA Parametric Test for Inequality of Population Means (p-value was considered statistically significant if ≤0.05). DUS, duplex ultrasonography; N, total number of patients; n, number of patients in a given category; SD, standard deviation; CI, confidence interval; DM, diabetes mellitus; AHT, arterial hypertension; IC, ischemic cardiomyopathy; PAD, peripheral arterial disease; AVF; arteriovenous fistula.