Table 3 The severity, lesion range and number of atrophy sites found in CAG patient
Deep learning group (n = 268) | Endoscopist group (n = 268) | χ2/t | P Value | |
|---|---|---|---|---|
The severity of CAG (n, %) | 14.113 | 0.003 | ||
No | 172 (64.2%) | 202 (75.4%) | 7.962 | 0.005 |
Mild | 36 (13.4%) | 38 (14.2%) | 0.063 | 0.802 |
Moderate | 42 (15.7%) | 20 (7.5%) | 8.828 | 0.003 |
Severe | 18 (6.7%) | 8 (3.0%) | 4.042 | 0.044 |
Type of CAG (n, %) | 14.446 | 0.001 | ||
No | 172 (64.2%) | 202 (75.4%) | 7.962 | 0.005 |
Type C | 52 (19.4%) | 49 (18.3%) | 0.110 | 0.740 |
Type O | 44 (16.4%) | 17 (6.3%) | 13.486 | 0.000 |
Number of atrophy sites | 1.019 ± 1.613 | 0.522 ± 1.000 | − 7.026 | 0.000 |
Number of biopsies | 1.284 ± 1.928 | 3.243 ± 0.645 | 18.976 | 0.000 |
Number of atrophy sites/number of biopsies | 273/344 (79.36%) | 140/869 (16.11%) | 439.056 | 0.000 |