Table 4. Survival related to the number of prognostic factors in the local treatment and chemotherapy alone groups.
| Prognostic category | Groups | OS (95%CI) months | 2-year SR | 3-year SR | 5-year SR | P |
|---|---|---|---|---|---|---|
| 0 | Local treatment | 60.03 (41.52-78.55) | 83.7 | 61.8 | 47.9 | 0.002 |
| Chemotherapy alone | 29.07 (13.98-44.15) | 51.2 | 29.8 | 14.9 | ||
| 1 | Local treatment | 41.53 (37.38-45.69) | 82.4 | 61.0 | 16.5 | 0.04 |
| Chemotherapy alone | 25.73 (19.24-32.23) | 50.4 | 36.7 | 26.7 | ||
| 2 | Local treatment | 31.80 (24.69-38.91) | 66.5 | 29.9 | 7.0 | 0.001 |
| Chemotherapy alone | 19.47 (17.52-21.41) | 27.2 | 18.7 | 6.1 | ||
| 3 | Local treatment | 31.57 (17.93-45.20) | 63.6 | 42.1 | 0 | <0.01 |
| Chemotherapy alone | 15.27 (13.93-16.61) | 11.7 | 4.4 | 0 | ||
| Total | Local treatment | 37.13 (33.27-41.00) | 76.1 | 50.8 | 22.3 | <0.01 |
| Chemotherapy alone | 19.47 (17.85-21.09) | 34.8 | 22.9 | 13.4 |
Abbreviations; OS, overall survival; SR, survival rate.