Table 3. Results of univariate log-rank analysis of prognostic factors for overall survival in the 65 esophageal squamous cell carcinoma patients with malignant tracheoesophageal/bronchoesophageal fistula who received an esophageal metallic stent or feeding gastrostomy/jejunostomy.
| Overall survival (days) | ||||
| Factors | No. ofpatients | Mean | Median | P value |
| Treatment modality | ||||
| Esophageal metallic stent | 30 | 144.8 | 125.0 | 0.007* |
| Feeding gastrostomy/jejunostomy | 35 | 76.6 | 55.0 | |
| 7th AJCC stage | ||||
| IIIc | 42 | 108.0 | 82.0 | 0.65 |
| IV | 23 | 96.7 | 66.0 | |
| Respiratory location of the fistula | ||||
| Above carina | 35 | 81.1 | 55.0 | 0.062 |
| Below carina | 30 | 124.9 | 93.0 | |
| Primary location of the tumor | ||||
| Upper | 13 | 105.6 | 93.0 | 0.85 |
| Middle/Lower | 52 | 102.7 | 66.0 | |
| Age | ||||
| <50 y/o | 32 | 115.6 | 84.0 | 0.33 |
| ≥50 y/o | 33 | 93.3 | 58.0 | |
| Radiotherapy after fistula | ||||
| Absent | 41 | 87 | 62.0 | 0.04* |
| Present | 24 | 142.6 | 84.0 | |
| Radiotherapy before fistula | ||||
| Absent | 30 | 124.5 | 72.0 | 0.06 |
| Present | 35 | 87 | 75.0 | |
*
Statistically significant.