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- Harvey, P.D, et al.
(författare)
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Performance-based measurement of functional disability in schizophrenia: a cross-national study in the United States and Sweden
- 2009
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Ingår i: American Journal of Psychiatry. - : American Psychiatric Association Publishing. - 0002-953X .- 1535-7228. ; :166, s. 821-827
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: Recent advances in the assessment of disability in schizophrenia have separated the measurement of functional capacity from real-world functional outcomes. The authors examined the similarity of performance-based assessments of everyday functioning, real-world disability, and achievement of milestones in people with schizophrenia in the United States and Sweden. METHOD: The UCSD Performance-Based Skills Assessment-Brief Version (UPSA-B) and a neuropsychological assessment were administered to schizophrenia patients living in rural areas in Sweden (N=146) and in the New York City area (N=244), and patients' functioning was rated by their case managers. Information from records and case managers was used to determine the frequency of living independently, working, and having ever experienced a stable romantic relationship. RESULTS: Performance on the UPSA-B was essentially identical in the two samples (New York, mean score=13.84; Sweden, mean score=13.30), as were scores on the case manager ratings of everyday activities (New York, mean=49.0; Sweden, mean=48.8). The correlations between UPSA-B score, neuropsychological test performance, and case manager ratings did not differ across the two samples. The proportion of patients who had never had a close relationship and the rate of vocational disability were also nearly identical. However, while 80% of the Swedish patients were living independently, only 46% of the New York patients were. CONCLUSIONS: While scores on performance-based measures of everyday living skills were similar in people with schizophrenia across cultures, real-world residential outcomes were very different. These data suggest that cultural and social support systems can lead to divergent real-world outcomes among individuals who show evidence of the same levels of ability and potential.
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| 2. |
- Harvey, P. D., et al.
(författare)
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Functional Capacity and Functional Disability in Schizophrenia : A Cross-National Study in New York and Sweden
- 2008
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Konferensbidrag (refereegranskat)abstract
- Background: Functional disability is a central feature of schizophrenia and has been reported to occur across different countries and systems of care. Recent advances in the assessment of disability have separeted the measuremet of functional capacity: the ability to perform skills required for everyday functioning from the measurement of real-world functional outcomes. This presentation reports on a cross-national study of the correlation between functional capacity measured with the UCSD Performance-based Skills Assessment, Brief version (UPSA-B), casemanager ratings of patient everyday functioning with the Specific Levels Of Functioning (SLOF), and occurrence of real-world functional milestones, including independent living, employment, and marital status. Patients with schizophrenia who lived in an urban American setting and a generally rural region in Sweden were compared on their functional capacity performance and real-world outcomes. Metods:Samples of schizophrenia patients in Sweden (n=146) and New York (n=244) performed the UPSA-B and a neuropsychological assessment and were rated by their case managers. Information from archival records and case managers was used to determine the occurence of the different real world outcomes, including living independently and having ever experienced a stable romantic relationship.Results: Performance on the UPSA-B was essentially identical in the two patient samples, with a total raw score in the New York sample 13.8 and the score in the Swedish sample 13.8. Scores on the case manager ratings of everyday activities were also strikingly similar (New York:49; Sweden:49). Further, the correlation between UPSA-B scores and ratings of everyday activities were quite similar, New York: r=.36 Sweden: r=.27 as were the correlations between NP performance and UPSA-B scores, New York: r=.58; Sweden: r=.55. Also, the proportion of cases who had never been married or had a close relationship was 59% in New York and 64% in Sweden. In notable contrast, 80% of the Swedish patients and 46% of the New York patients were living independently.Implications: Performance-based measures of functional capacity were very similar across samples of people with schizophrenia in very different living environments. These results are consistent with previous studies showing that performance-based measures of cognition are also quite similar across different countries in people with schizophrenia. While measures of functional ability and case manager estimates of patients' real-world outcomes were very similar in level of impairment and correlational structure, real-world residential outcomes were very different. These data suggest that cultural and social support systems can lead to very divergent outcomes in individuals who have evidence of the same levels of ability and potential.
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| 3. |
- Helldin, L, et al.
(författare)
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Increase of symptom remission in psychosis : Integrating science and service in the Swedish CLIPS study
- 2009
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Konferensbidrag (refereegranskat)abstract
- The Clinical Long term Investigation of Psychosis in Sweden (CLIPS), is a naturalistic longitudinal study, in which about 300 patients diagnosed with schizophrenia, schizoaffective disorder or delusional disorder are evaluated regularly. Besides being a guideline for treatment, the evaluations are also used for scientific research after informed consent, hence combining regular health service with science in a concrete way. As a likely consequence of the annual structured assessments, the percentage of patients in remission has raised from 35 % to about 50 % in the last three years. Several scientific articles have been published on several psychosis related topics within the frame of the CLIPS study, proving that science can be successfully integrated with clinical practise for better evidence based health care, including a higher percentage of patients in remission
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| 7. |
- Olsson, A-K, et al.
(författare)
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Psychometric properties of a performance-based measurement of functional capacity
- 2012
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Ingår i: Psychiatry Research. - : Elsevier. - 0165-1781 .- 1872-7123. ; 197:3, s. 290-294
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Tidskriftsartikel (refereegranskat)abstract
- The UCSD Performance-based Skills Assessment - Brief version (UPSA-B) describes the functions of patients without negative influences of environmental factors such as unemployment or shortage in housing. The aim of the present study is to further explore the psychometric properties of the UPSA-B as well as to ensure that the Swedish version can be used in clinical practice and for research purposes. Participants were 211 patients, 135 men and 76 women, diagnosed with schizophrenia, schizoaffective disorder, or delusional disorder. Results indicate that the UPSA-B is a reliable instrument with good psychometric properties regarding validity and reliability. The instrument also had a capacity to reveal differences between various patient groups, both diagnostic groups and groups based on remission status. The conclusion drawn is that the UPSA-B is a valuable instrument that could be used in future cross-national studies to describe the level of functioning for patients with schizophrenia and other psychotic illnesses.
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