CI confidence interval
COPD chronic obstructive pulmonary disease
DTAC Digital Technology Assessment Criteria 
GP general practitioner
GWTG-HF Get With the Guidelines–Heart Failure
HFVW heart failure virtual ward 
ICD-10 International Classification of Diseases, 10th Revision
ICER incremental cost-effectiveness ratio
NHS National Health Service
NICE National Institute for Health and Care Excellence
PPPE per patient episode
RCT randomised controlled trial 
RR relative risk
SHTG Scottish Health Technologies Group
UK United Kingdom
USA United States of America