Table 1

Mean (SD) demographic characteristics of the patient populations

Age (years)M/F (%)FEV1(l)KPI
COPD70.5 (5.5)44/560.52 (0.17) (n=49)62.5 (10.4)
NSCLC71.4 (6.5)72/281.47 (0.39) (n=42)66.9 (9.2)
  • Forced expiratory volume in one second (FEV1) and Karnofsky Performance Index (KPI) were used to help define the groups.

  • KPI scale 0–100: a score of 50–80 indicates severe disability with a lower score indicating worsening performance.

  • 1-150 Mann-Whitney U test.