Fig. 4
From: Measuring disease activity in COPD: is clinically important deterioration the answer?
Prediction of all-cause mortality by CID statusa over 30 months of follow-up in TORCH [48]. aCID status was assessed at 6 months. CI, confidence interval; CID, clinically important deterioration; CID+, cohort with a short-term deterioration (i.e. early unstable cohort); CID-, cohort without a short-term deterioration (i.e. early stable cohort); FEV1, forced expiratory volume in 1 s; HR, hazard ratio; SGRQ, St George’s Respiratory Questionnaire. Adapted from Naya I, et al. Respir Res 2018. 19(1) p. 222.© The Authors 2018. Licensed under CC-BY 4.0 (http://creativecommons.org/licenses/by/4.0/)