Table 4. Stratification analysis for OS and DSS based on adjuvant therapies.
| Adjuvant Therapy | Number | OS | DSS | |||||
|---|---|---|---|---|---|---|---|---|
| Rate (%) | Time (Month) | P value | Rate (%) | Time (Month) | P value | |||
| Size (mm) | Chemo | |||||||
| 0–50 | 0.634 | 0.014 | ||||||
| Without | 348 | 80.8 | 153.6 | 95.7 | 190.0 | |||
| With | 37 | 73.5 | 134.9 | 83.8 | 163.1 | |||
| 51–90 | 0.016 | 0.007 | ||||||
| Without | 441 | 81.9 | 157.8 | 93.9 | 185.4 | |||
| With | 118 | 73.0 | 134.1 | 86.4 | 160.0 | |||
| ≥ 91 | 0.764 | 0.067 | ||||||
| Without | 197 | 71.6 | 132.0 | 88.3 | 164.1 | |||
| With | 94 | 72.3 | 125.8 | 80.9 | 139.4 | |||
| Masaoka Stage | Radio | |||||||
| I | 0.942 | 0.188 | ||||||
| Without | 294 | 91.5 | 176.7 | 98.6 | 199.3 | |||
| With | 155 | 89.0 | 171.5 | 96.1 | 187.4 | |||
| II–III | 0.015 | 0.098 | ||||||
| Without | 229 | 72.1 | 129.7 | 88.6 | 164.4 | |||
| With | 409 | 75.8 | 147.6 | 90.7 | 178.2 | |||
| IV | 0.015 | 0.049 | ||||||
| Without | 53 | 54.7 | 96.6 | 71.7 | 123.1 | |||
| With | 95 | 69.2 | 129.8 | 83.2 | 147.2 | |||
OS, overall survival; DSS, disease-specific survival; Chemo: chemotherapy; Radio: radiotherapy.