Table 2 Baseline characteristics of the patients stratified by ABC classification
Group | True A | Pseudo A | B | C | D |
|---|---|---|---|---|---|
Total patients | 273 | 87 | 518 | 515 | 114 |
Endoscopic atrophy non/closed/open | 273/0/0 | 0/26/61 | 44/163/311 | 2/28/485 | 3/4/107 |
Person-years | 1453.25 | 467.5 | 2560.75 | 2531.75 | 593.25 |
Age, mean (SD) | 53.6 (15.9) | 69.7 (11.1) | 62.2 (12.6) | 64.9 (10.7) | 69.2 (11.3) |
Follow-up months, mean (SD) | 64.8 (57.6) | 65.4 (72.3) | 60.2 (60.9) | 59.4 (54.0) | 63.2 (62.4) |
Gastric cancer | 0 | 2 | 7 | 12 | 3 |
Age, mean (SD) | 0 | 71.5 (1.5) | 63 (10.13) | 66.1 (8.8) | 72.7 (4.78) |
Person-years | 0 | 2.75 | 25.25 | 68.75 | 14.5 |
Follow-up months, mean (SD) | 0 | 16.6 (16.1) | 47.6 (33.4) | 63.9 (73.0) | 57.2 (29.1) |
Cases/incidence rate | 0 | 0.00043 | 0.0027 | 0.005 | 0.0039 |