Table 2.
Clinical scenario | Recommendation in Korean guidelines, yr | Responses on follow-up surveillance intervals | |||||
---|---|---|---|---|---|---|---|
| |||||||
6 mo | 1 yr | 3 yr | 5 yr | 10 yr | No repetition | ||
6-mm Hyperplastic polyp | 5* | 1 (0.2) | 33 (7.0) | 124 (28.9) | 210 (61.1) | 9 (2.7) | 1 (0.2) |
6-mm TA | 5† | 4 (0.7) | 117 (26.9) | 182 (48.6) | 71 (23.5) | 1 (0.3) | 0 |
12-mm TA with HGD | 3 | 163 (34.1) | 168 (49.4) | 44 (15.8) | 2 (0.7) | 0 | 0 |
12-mm TVA | 3 | 99 (20.2) | 191 (48.4) | 84 (30.3) | 3 (1.0) | 0 | 0 |
Two 6-mm TAs | 5† | 13 (2.2) | 150 (31.8) | 157 (47.3) | 55 (18.3) | 1 (0.4) | 0 |
No polyps in a patient with a 12-mm TA 3 yr earlier | 5* | 2 (0.4) | 18 (3.2) | 159 (41.4) | 196 (52.9) | 3 (2.1) | 0 |
Data are presented as unweighted numbers (weighted proportions). Non-respondents to each question were excluded.
TA, tubular adenoma; HGD, high-grade dysplasia; TVA, tubulovillous adenoma.
The U.S. Multi-Society Task Force recommends an interval of 10 years; the European panel (EPAGE II) recommends 5.5 years;
The U.S. Multi-Society Task Force recommends an interval of 5–10 years; the European panel (EPAGE II) recommends 5 years.