Table 1.
Clinicopathological features of esophageal squamous epithelium neoplasia patients enrolled in the study
| Characteristics | Patients No. | % |
|---|---|---|
| Age (mean) | 50-80 (62.3) | |
| Gender | ||
| Male | 25 | 83.3 |
| Female | 5 | 16.7 |
| Stage of intraepithelial neoplasia | ||
| High | 18 | 60.0 |
| Low | 12 | 40.0 |
| Tumor location | ||
| Upper | 4 | 13.3 |
| Middle | 11 | 36.7 |
| Lower | 15 | 50.0 |
| Smoking status | ||
| Ever or current | 9 | 30.0 |
| Never | 17 | 56.7 |
| Unknown | 4 | 13.3 |
| Alcohol consumption | ||
| Ever or current | 9 | 30.0 |
| Never | 17 | 56.7 |
| Unknown | 4 | 13.3 |
| Family history of cancer | ||
| Esophageal cancer | 2 | 6.7 |
| Gastric cancer or cardiac cancer | 3 | 10.0 |
| No | 21 | 70.0 |
| Unknown | 4 | 13.3 |
| Complication | ||
| Gastritis | 16 | 53.3 |
| Oesophagitis | 2 | 6.7 |
| Ulceration | 4 | 13.3 |