Why the study?
Are post-cardiac surgery quality of life assessments biased by drop-outs among older, high-risk patients?
Population
1675 patients who underwent cardiac surgery between July 1, 2009 and July 1, 2012, with proven one-year…
Design
Cohort
Follow-up
1 year
Key result
Patients who dropped out of quality of life evaluations one year post cardiac surgery had significantly lower preoperative quality of life, were older, and had higher operative risk compared to those with complete follow-up.
Authors
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Post-cardiac surgery QoL may be overestimated due to selective dropout; leaves open whether bias-adjusted analyses are required in future cohorts.
Observational (n=1,675)
No
Are post-cardiac surgery quality of life assessments biased by drop-outs among older, high-risk patients?
Quality of life post cardiac surgery is likely overestimated because older, high-risk patients with low preoperative QoL are more likely to drop out of follow-up assessments.
Absolute Event Rate: 0.65% vs 0.74%
p-value: p=0.001
L. Noyez (2014) conducted an observational in Post cardiac surgery (n=1,675). Drop-outs (incomplete postoperative QoL) vs. Complete postoperative QoL follow-up was evaluated on Preoperative EQ-5D score (p=0.001). Patients who dropped out of quality of life evaluations one year post cardiac surgery had significantly lower preoperative quality of life, were older, and had higher operative risk compared to those with complete follow-up.
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