Health-related quality of life
Health-related quality of life, assessed by both the EQ-5D-5L utility score and VAS score, was the most frequently returned questionnaire, 133 (61%) of participants alive at 1 year who had not withdrawn from paper questionnaire follow-up. Both the EQ-5D-5L utility and VAS scores were similar between patients allocated to either intervention or standard care who survived to 1 year (There was no statistically significant correlation between daily PaCO