Table 1. Patient and lesion characteristics.
| P1 | P2 | P3 | P4 | P5 | Total | |
| Number of cases Residual lesions | 60 8 | 60 4 | 60 1 | 60 1 | 61 3 | 301 17 |
| Age | 73 (46 – 96) | 77 (40 – 89) | 72 (40 – 90) | 69 (35 – 90) | 68 (37 – 89) | 72 (35 – 96) |
| Gender Female Male | 25 35 | 27 33 | 34 26 | 25 35 | 31 30 | 142 159 |
| Localization Rectum Distal colon Proximal colon | 30 14 16 | 32 16 12 | 33 14 13 | 39 12 9 | 39 16 6 | 173 (57 %) 72 (24 %) 56 (19 %) |
| Paris type Is Iia IIa/Is | 27 30 3 | 22 36 2 | 35 23 2 | 31 24 5 | 33 24 4 | 148 137 16 |
| Histology Serrated Adenoma LGD 1 Adenoma HGD 2 |
1
40 19 |
1 38 21 | – 43 17 | 1 43 16 | 2 38 21 | 5 202 94 |
| Lesion size Diameter (cm) | 3 (1.5 – 8) | 4 (1 – 8) | 4 (1.5 – 10) | 5 (2 – 11) | 5 (2 – 12.5) | 4 (1 – 12.5) |
| Area (cm 2 ) | 6.3 (1.1 – 44) | 9.4 (0.8 – 38) | 10.6 (1.1 – 56) | 13.9 (2.5 – 69) | 14.1 (3.1 – 78) | 11 (0.8 – 78) |
1
LGD, low-grade dysplasia
2
HGD, high-grade dysplasia