Fig. 4
From: Long-term outcomes following first short-term clinically important deterioration in COPD
All-cause mortality hazard ratios of single CID events and composite CID events for CID+ patients versus CID- patients (TORCH study; ITT population). *Proportion of patients with the specified CID in the first 6 months. CI, confidence interval; CID, clinically important deterioration; CID+, presence of a CID within 6 months of enrollment into the study; CID-, absence of a CID within 6 months of enrollment into the study; COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in 1 s; ITT, intent-to-treat; SGRQ, St George’s Respiratory Questionnaire; TORCH, TOwards a Revolution in COPD Health