Figure 1
From: Health status in the TORCH study of COPD: treatment efficacy and other determinants of change
Plots showing adjusted mean change for the SGRQ Total score (A) and the Symptoms (B), Activity (C) and Impacts (D) domains, over 3 years by treatment group. A lower score indicates better health. The plot for each domain shows the change over time as the left-hand panel (error bars are standard error). The right-hand plots are from a repeated measures analysis of the effects of treatment over the 3 years of the study and are pair-wise comparisons between the treatment arms (error bars are 95% confidence intervals).