Table 2 Characteristics between groups
HD-WLE—NBI (n = 20) | NBI—HD-WLE (n = 21) | P value | |
|---|---|---|---|
Males (n, %) | 9 (45) | 13 (61.9) | 0.35 |
Age (years, mean) | 59.9 | 59.3 | 0.84 |
BMI (Kg/m2, mean) | 26.1 | 27.7 | 0.24 |
Median number of detected polyps on 1st withdrawal (n, IQR) | 2.5 (1–4) | 3 (2–8) | 0.15 |
Median size of resected polyps on 1st withdrawal (mm, IQR) | 3 (2–4) | 3 (2–4) | 0.8 |
Mean time 1st withdrawal (min, SD) | 11.1 (3.9) | 12.9 (4.4) | 0.2 |
Mean time 2nd withdrawal (min, SD) | 9.1 (3.7) | 7.1 (2.1) | 0.05 |
Mean time from baseline colonoscopy (months, 95% CI) | 7.2 (4.4–10.0) | 6.2 (4.5–7.9) | 0.53 |
Colonoscope at baseline examination (n, %) | 0.99 | ||
165 Olympus series | 2 (10.0) | 2 (9.5) | |
180 Olympus series | 7 (35.0) | 7 (33.3) | |
190 Olympus series | 11 (55.0) | 12 (57.1) |