Impact of schizophrenia and schizophrenia treatment-related adverse events on quality of life: direct utility elicitation
2008

Impact of Schizophrenia on Quality of Life

Sample size: 124 publication 10 minutes Evidence: moderate

Author Information

Author(s): Briggs Andrew, Wild Diane, Lees Michael, Reaney Matthew, Dursun Serdar, Parry David, Mukherjee Jayanti

Primary Institution: Oxford Outcomes Ltd, Oxford, UK

Hypothesis

To examine the impact of schizophrenia, its treatment, and treatment-related adverse events on quality of life from the perspective of schizophrenia patients and laypersons.

Conclusion

Events associated with schizophrenia and its treatment can significantly reduce patient quality of life, with relapse having the largest negative impact.

Supporting Evidence

  • Stable schizophrenia had the highest mean utility scores.
  • Relapse and EPS were associated with the lowest mean utility scores.
  • Patients reported higher utilities than laypersons for stable schizophrenia and treatment-related adverse events.

Takeaway

This study shows that having schizophrenia and the side effects from its treatment can make life much harder, especially when patients have a relapse.

Methodology

The study used a time trade-off instrument to elicit quality of life utilities from 49 stable schizophrenia patients and 75 laypersons.

Potential Biases

Potential bias in utility values due to differences in perspectives between patients and laypersons.

Limitations

The study relied on a convenience sample of laypersons and may not fully represent the general population.

Participant Demographics

Patients were primarily diagnosed with paranoid schizophrenia and were mostly single with lower educational attainment compared to laypersons.

Statistical Information

P-Value

p = 0.022 for relapse

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1477-7525-6-105

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