borderline significantP = 0.050
Home O 2 use was borderline significant after adjustment for these additional variables (OR: 1.74; 95% CI: 0.99 - 3.04, P = 0.050.) Figure 1 demonstrates a Kaplan-Meir survival analysis showing a significant increase in all cause mortality in the home O 2 cohort with an overall mean (95% CI) survival time of 6.2 (5.9 - 6.5) years (P < 0.001).