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Table 2 Multivariate analysis of overall survival

From: Prognosis of non-small cell lung cancer patients with bone oligometastases treated concurrently with thoracic three-dimensional radiotherapy and chemotherapy

Variable HR 95% confidence interval p- value
lower upper
T stage (T3-4 vs. T1-2) 1.368 0.863 2.168 0.182
GTV (<159 cm3 vs. ≥159 cm3) 0.564 0.314 1.014 0.056
KPS status (>70 vs. =70) 0.873 0.496 1.437 0.683
Thoracic radiation dose (<63 Gy vs. ≥63 Gy) 1.649 1.056 2.576 0.028
Response of primary tumor (SD + PD vs. CR + PR) 1.534 0.945 2.492 0.084
Chemotherapy (≥4 vs. <4 cycles) 0.804 0.507 1.274 0.353
Metastatic organ (bone with other organs vs. bone only) 1.880 1.203 2.937 0.006