Table 1 Radiation Therapy Oncology Group (RTOG) recursive partitioning analysis (RPA) groups in patients with locally-advanced non-small-cell lung cancer (LA-NSCLC).
RPA Group | Definition | Median survival (months) |
|---|---|---|
I | KPS of > or = 90, who received chemotherapy | 16.2 |
II | KPS of > or = 90, who received no CT, but had no PE | 11.9 |
III | KPS < 90, younger than 70 years, with non-large cell histology | 9.6 |
IV | KPS > or = 90, but with PE, or KPS < 90, younger than 70 years, and with large cell histology, or older than 70 years, but without PE | 5.6–6.4 |
V | older than 70, with PE | 2.9 |