Table 3.
Comparison of tumor lesion features in patients with esophageal stricture n (%)
| Parameter | PGA + stent group (n = 7) | Stent group (n = 15) | P value |
| Location | 0.899 | ||
| Upper third | 0 (0) | 0 (0) | |
| Middle third | 4 (57) | 9 (60) | |
| Lower third | 3 (43) | 6 (40) | |
| Tissue depth | 0.823 | ||
| M1 | 2 (29) | 5 (33) | |
| M2 | 5 (71) | 10 (67) | |
| Longitudinal length (cm) | 7.71 + 3.50 | 6.60 + 2.10 | 0.360 |
| Circumferential range | 0.181 | ||
| 3/4 | 0 (0) | 4 (27) | |
| 4/5 | 1 (14) | 4 (27) | |
| 1/1 | 6 (86) | 7 (47) |
Data are presented as mean ± SD or count (percentage). Comparison was determined by t-test or Chi-square test. P < 0.05 was considered significant. PGA: Polyglycolic acid.