Factors related to perceived control and health-related quality of life of patients after acute coronary syndrome during admission and after discharge.
Akiko Kondo, Tomomi Oki, Amane Otaki and 2 others
PMID 33448141WHAT IT FOUND
For patients recovering from acute coronary syndrome, higher perceived control during hospitalization predicted better general health at 3 months.
Fatigue interference and perceived control were the strongest independent factors linked to quality of life, while income shaped perceived control.
Key findings
01Higher perceived control during hospitalization was significantly correlated with better physical functioning, general health, and vitality at the same time point.
02Perceived control and fatigue interference were the only two factors independently associated with general health quality of life in the final model, explaining 44.3% of the variance.
03Perceived control during admission predicted better general health and vitality at 3 months after discharge, but the sample size dropped significantly by 6 months.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study used a convenience sample from three hospitals in Tokyo, limiting generalizability to other populations or rural areas. There was significant attrition over time, with only 59.9% of participants completing the 3-month follow-up and 39.4% completing the 6-month follow-up. The study design cannot prove causation; it identifies associations between perceived control and quality of life. Severity of cardiac condition was not measured because standard clinical indicators were not available for all patients.
Declared interests
The authors declared no conflicts of interest. The study was funded by the Japan Society for the Promotion of Science.
The easy way to misread this
Do not assume that improving perceived control will directly improve quality of life. This study shows an association, not a cause-and-effect relationship. It is possible that patients who feel healthier have higher perceived control, rather than the reverse.