Table 2.
Characteristics of the Polyps
| Characteristic | Magnified NBI group (n=110) | Non-magnified NBI group (n=126) | p-value |
|---|---|---|---|
| Mean size, mm | 5.5 (3.0–12.1) | 5.8 (2.5–12.0) | 0.465 |
| Location | 0.323 | ||
| Cecum | 10 (9.1) | 9 (7.1) | |
| Ascending colon | 13 (11.8) | 12 (9.5) | |
| Transverse colon | 20 (18.2) | 24 (19.0) | |
| Descending colon | 13 (11.8) | 15 (11.9) | |
| Sigmoid colon | 14 (12.7) | 24 (19.0) | |
| Rectum | 40 (36.4) | 42 (33.3) | |
| Morphology (Paris type) | 0.094 | ||
| 0-Ip | 89 (80.9) | 96 (76.2) | |
| 0-Is | 4 (3.6) | 5 (4.0) | |
| 0-IIa | 17 (15.5) | 25 (19.8) | |
| Histology | 0.235 | ||
| Neoplastic | 80 (72.3) | 79 (62.7) | |
| Low-grade adenoma | 76 (69.1) | 75 (59.5) | |
| Sessile serrated adenoma | 2 (1.8) | 1 (0.8) | |
| High grade adenoma | 1 (0.9) | 2 (1.6) | |
| Non-invasive carcinoma | 1 (0.9) | 1 (0.8) | |
| Invasive carcinoma | 0 | 0 | |
| Non-neoplastic | 30 (27.3) | 47 (37.3) |
Values are presented as median (range) or number (%).
NBI, narrow band imaging.