Significance HR 95.0% CI
Model 1, n=99 VS20 <1600cc’s (vs. ≥ 1600 cc’s) 0.003 14.762 2.46 - 88.48
Model 2, n=43 TLV < 2000cc's (vs ≥ 2000cc's) 0.015 16.565 1.719 - 159.641
Model 3, n=99 VS20 <1600cc’s (vs. ≥ 1600 cc’s) 0.005 5.731 1.676 – 19.596
Abbreviations: VSx: Volume of lung spared X Gy or higher; CC’s: Cubic Centimeters; HR: Hazard Ratio; CI: Confidence Interval
Table 6: Multivariate analysis: Cox Models.