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ABSTRACT: Objective
This prospective study used the EQ-5D utility and Visual Analogue Scale (VAS) scores to analyse the potential usefulness of proxy responses in quality of life assessments of Japanese patients with terminal lung cancer sufficiently healthy to communicate and reply by themselves. We did not investigate the potential usefulness of using proxy responses for patients who could not respond by themselves.Design
A prospective observational study.Setting
Single centre.Participants
The EQ-5D and VAS responses were gathered from 30 in-hospital patients with lung cancer for a total of three observation points. At nearly the same time, two nurses responded by providing proxy responses.Primary and secondary outcome measures
EQ-5D and VAS responses.Results
There were no significant differences between the patients' and nurses' responses for EQ-5D utility and VAS scores. For the five dimensions of the EQ-5D, significant differences were found between the patients' and nurses' responses for usual activities (patients' response 1.64±0.07, nurses' response 1.41±0.05, p=0.03) and anxiety/depression (patients' response: 1.40±0.05, nurses' response: 1.19±0.03, p=0.02). There was a significant weak positive correlation between patients' and nurses' responses regarding changes in responses from the first to the third observation point (Spearman's rank correlation coefficient ρ=0.228; p<0.01).Conclusion
The results suggest that proxy responses are useful because there were no significant differences between the patients' and nurses' responses for EQ-5D utility and VAS scores at the three observation points. These findings should, however, be verified in future large-scale trials.
SUBMITTER: Takura T
PROVIDER: S-EPMC8883223 | biostudies-literature | 2022 Feb
REPOSITORIES: biostudies-literature
Takura Tomoyuki T Koike Tomoko T Matsuo Yoko Y Sekimoto Asuko A Mutou Masami M
BMJ open 20220224 2
<h4>Objective</h4>This prospective study used the EQ-5D utility and Visual Analogue Scale (VAS) scores to analyse the potential usefulness of proxy responses in quality of life assessments of Japanese patients with terminal lung cancer sufficiently healthy to communicate and reply by themselves. We did not investigate the potential usefulness of using proxy responses for patients who could not respond by themselves.<h4>Design</h4>A prospective observational study.<h4>Setting</h4>Single centre.<h ...[more]