From: Effectiveness of switching endoscopists for repeat surveillance colonoscopy: a retrospective study
Characteristics of the missed lesions | D group | S group | p value |
---|---|---|---|
Number of lesions (Total: 194) | 131 | 63 | |
Tumor location, n (%) | 0.57 | ||
Right | 40 (30.5%) | 24 (38.1%) | |
Transverse | 60 (45.8%) | 25 (39.7%) | |
Left | 31 (23.7%) | 14 (22.2%) | |
Tumor size | 0.09 | ||
Diminutive (≤ 5 mm) | 88 (67.1%) | 47 (74.6) | |
Medium (6–9 mm) | 17 (12.3%) | 11 (17.5) | |
Large (≥ 10 mm) | 26 (19.9%) | 5 (7.9) | |
Morphology | 0.97 | ||
Flat | 85 (64.9%) | 42 (66.7%) | |
Sessile | 44 (33.6%) | 20 (31.8%) | |
Pedunculated | 2 (1.5%) | 1 (1.6%) | |
Pathology | 0.08 | ||
High grade adenoma, Tis (M) | 6 (4.6%) | 0 (0) | |
Low grade adenoma | 114 (87.0%) | 61 (96.8%) | |
SSL | 11 (8.4%) | 2 (8.4%) | |
Index Lesion | 29 (22.1%) | 5 (7.9%) | 0.01 |