Regression and progression according to histology-based risk stratification
| Tmax | Regression 56 (45%) | Stable 139 (66%) | Progression 16 (8%) | ||||
| Low | High | HGD/cancer | |||||
| 128 | 80 | 3 | |||||
| Low risk | 86 | 72 | 13 | 1 | – | 84% | 16% |
| High risk | 125 | 56 | 67 | 2 | 45% | 54% | 2% |
Gray colour denote patients who had the same risk at both index and last surveillance endoscopy (Tmax). Above the diagonal indicates patients who progressed to the high-risk group or developed (early) gastric cancer during follow-up. Under the diagonal indicates patients who regressed to the low-risk group. Low risk means patients with mild and moderate AG or IM limited to antrum, while patients with moderate to severe AG or IM in both antrum and corpus as well as those with dysplasia were considered at high risk.
Mean follow-up time was 50.8 months (SD 32). Missing n=68 (including one gastric cancer case), as only patients who underwent at least two surveillance endoscopies during follow-up were included.
AG, atrophic gastritis; HGD, high - grade adenoma/dysplasia; IM, intestinal metaplasia.