Table 2.
Univariate analysis in regard to overall survival according to clinicopathological features for 56 patients with EASC
| Variable | No. of patients | 1-year OS (%) | 3-year OS (%) | 5-year OS (%) | P value |
|---|---|---|---|---|---|
| Sex | 0.282 | ||||
| Male | 43 | 71.8 | 42.3 | 21.9 | |
| Female | 13 | 84.6 | 59.2 | 29.2 | |
| Age (year) | 0.271 | ||||
| ≤ 60 | 27 | 77.6 | 49.7 | 36.1 | |
| > 60 | 29 | 71.8 | 42.8 | 22.8 | |
| Tumor location | 0.918 | ||||
| Upper third | 9 | 100.0 | 62.5 | 31.3 | |
| Middle third | 37 | 70.3 | 45.4 | 30.3 | |
| Lower third | 10 | 70.0 | 35.0 | - | |
| Tumor length | 0.036 | ||||
| ≤ 4 cm | 26 | 84.6 | 56.1 | 41.6 | |
| > 4 cm | 30 | 65.5 | 36.4 | 18.2 | |
| Thoracotomy | 0.102 | ||||
| Left thoracotomy | 37 | 67.6 | 35.1 | 26.4 | |
| Right thoracotomy | 19 | 88.2 | 70.1 | 31.5 | |
| Resection margin | 0.091 | ||||
| Radical | 49 | 79.2 | 48.6 | 32.0 | |
| Palliative | 7 | 42.9 | 28.6 | 14.3 | |
| pT category | 0.434 | ||||
| pT1-T2 | 9 | 87.5 | 54.7 | 18.2 | |
| pT3-T4 | 47 | 72.2 | 43.7 | 30.7 | |
| pN category | 0.082 | ||||
| pN0 | 24 | 83.3 | 54.2 | 39.4 | |
| pN1-N3 | 32 | 67.7 | 40.1 | 21.4 | |
| Adjuvant radiotherapy | 0.667 | ||||
| Yes | 14 | 78.6 | 50.0 | 28.6 | |
| No | 42 | 73.2 | 44.8 | 30.6 | |
| Adjuvant chemotherapy | 0.153 | ||||
| Yes | 8 | 87.5 | 87.5 | 58.3 | |
| No | 48 | 72.3 | 38.9 | 25.0 |
OS overall survival