Fig. 2From: Fractionated palliative thoracic radiotherapy in non-small cell lung cancer – futile or worth-while?Cox regression analysis showing correlation between OS and PS from prescription of PTR to death. There was a significant difference in OS and PS 0-1 and 2-4. PS 2: hazard ratio (HR) = 1.77, (95% CI: 1.22-2.57), p = 0.003. PS 3-4: HR = 2.12 (95% CI: 1.42 to 3.17), p < 0.000. There was no statistical difference in OS and PS 2 and 3-4Back to article page