Table 1. Baseline characteristics of simulated participants.
| Baseline characteristics | Healthy | ESD | ||
| Mild | Moderate | Severe | ||
| ESD, esophageal squamous dysplasia. | ||||
| Number of patients [n (%)] | 93,850 (93.85) | 3,145 (3.15) | 1,894 (1.89) | 1,111 (1.11) |
Age (year) (
)
|
55.35±3.88 | 57.74±3.15 | 57.77±3.18 | 57.58±3.05 |
| Gender, male [n (%)] | 65,500 (69.80) | 2,213 (70.40) | 1,322 (69.80) | 789 (71.00) |
Disease history (year) (
)
|
||||
| Premalignant period | − | 0.71±0.03 | 1.14±0.01 | 1.40±0.01 |
| Preclinical period | − | 5.99±1.71 | 6.00±1.69 | 6.06±1.76 |
| Clinical period | − | 3.95±1.72 | 3.99±1.73 | 3.95±1.73 |