26 research outputs found

    Years of potential life lost and life expectancy in schizophrenia: a systematic review and meta-analysis

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    Background Several studies and meta-analyses have shown that mortality in people with schizophrenia is higher than that in the general population but have used relative measures, such as standardised mortality ratios. We did a systematic review and meta-analysis to estimate years of potential life lost and life expectancy in schizophrenia, which are more direct, absolute measures of increased mortality. Methods We searched MEDLINE, PsycINFO, Embase, Cinahl, and Web of Science for published studies on years of potential life lost and life expectancy in schizophrenia. Data from individual studies were combined in meta-analyses as weighted averages. We did subgroup analyses for sex, geographical region, timing of publication, and risk of bias (estimated with the Newcastle-Ottawa Scale). Findings We identified 11 studies in 13 publications covering all inhabited continents except South America (Africa n=1, Asia n=1, Australia n=1, Europe n=7, and North America n=3) that involved up to 247 603 patients. Schizophrenia was associated with a weighted average of 14·5 years of potential life lost (95% CI 11·2–17·8), and was higher for men than women (15·9, 13·8–18·0 vs 13·6, 11·4–15·8). Loss was least in the Asian study and greatest in Africa. The overall weighted average life expectancy was 64·7 years (95% CI 61·1–71·3), and was lower for men than women (59·9 years, 95% CI 55·5–64·3 vs 67·6 years, 63·1–72·1). Life expectancy was lowest in Asia and Africa. Timing of publication and risk of bias had little effect on results. Interpretation The effects of schizophrenia on years potential life lost and life expectancy seem to be substantial and not to have lessened over time. Development and implementation of interventions and initiatives to reduce this mortality gap are urgently needed. Funding None

    Does the EQ-5D measure quality of life in schizophrenia?

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    Background: Most health economic evaluations in mental care include outcome measures aimed at specific aspects of health, like symptom improvement, functional improvement and quality of life instead of generic preference based outcome measures. The health economic guidelines (NICE) recommend to include a generic preference based outcome measure, like EQ-5D, in health economic evaluations in order to allow for comparisons of health related quality of life of patient groups across different diseases, providing information particular useful to support health policy decisions and cost-effectiveness analysis. Although the EQ-5D is by far the most widespread outcome measure within the context of economic evaluations, its validity in psychiatric populations has not yet been established unambiguously. An increasing number of articles have tested the validity of the EQ-5D in comparisons with clinical measures in mental health, but only few studies have addressed the correlation between the EQ-5D and a condition-specific quality of life measure in mental health. Aims of the Study: The aim of the article is to test for a potential correlation between the preferred generic outcome measure in health economic evaluations EQ-5D and Manchester Short Assessment of Quality of Life (MANSA) in order to assess to what extent quality of life dimensions measured by a psychiatric quality of life measure are captured in the EQ-5D in a population of patients with schizophrenia and cannabis abuse. Methods: Data analysed is a part of a study of 103 patients with schizophrenia and abuse of cannabis participating in a randomized controlled trial testing a specialized addiction intervention during the period 2008-09. The correlation of the EQ-5D and scores of MANSA was assessed using the Spearman's correlation coefficient. In addition, we tested how the EQ-5D and MANSA correlated with PANSS, GAF and WHO-DAS in order to make comparisons with earlier studies. Results: We found moderate, statistically significant correlations between the EQ-5D index score and MANSA total score (rho = 0.358**). The dimensions 'Mobility', 'Self-Care' and 'Pain/ discomfort' on the EQ-5D were overall not sensitive in this population, while the dimensions 'Usual activities' and 'Anxiety/ depression' were moderately correlated with MANSA. The EQ-5D and MANSA both showed statistically significant moderate correlations with the clinical measures in the study PANSS, GAF and WHO-DAS. Discussion: Our results suggest that the EQ-5D and MANSA are complementary measures rather than substitutes. Implications for Health Policies: Mental health interventions often seek to improve the patients' quality of life in a broader perspective, like improving the patients' relationship with family, friends and other network, financial situation, employment and accommodation. If the EQ-5D is used as a single outcome in health economic evaluations of e.g. mental health community interventions, these factors may be overlooked. Based on a relatively small sample, we therefore recommend applying the EQ-5D together with conditionspecific quality of life measures in future health economic evaluations in mental health. Copyrigh
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