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Development of a Virtual Reality Assessment of Everyday Living Skills

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Published on: April 23, 2014

Measuring schizophrenia remission in clinical practice.

Jordi Alonso¹, Antonio Ciudad, Alfonso Casado

¹Health Services Research Unit, Institut Municipal d'Investigació Mèdica, Hospital del Mar, Barcelona, Spain. jalonso@imim.es

Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie

|April 30, 2008

Summary

The short forms of the Assessment of Positive and Negative Symptoms (SAPS/SANS) scales are reliable and valid for assessing schizophrenia remission in outpatients. These tools are recommended for routine clinical use.

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Area of Science:

Psychiatry
Clinical Psychology
Psychometrics

Background:

Schizophrenia symptom assessment is crucial for treatment monitoring.
Standardized scales like SAPS and SANS are effective but lengthy.
Short forms (SF) offer a more efficient alternative.

Purpose of the Study:

To evaluate the reliability and validity of the short forms (SF) of the Assessment of Positive Symptoms (SAPS) and Negative Symptoms (SANS) scales.
To assess the accuracy of the SF in measuring clinical remission in schizophrenia outpatients.
To compare the SF performance against standard SAPS and SANS forms.

Main Methods:

The study included 235 Spanish outpatients diagnosed with schizophrenia.
Accuracy of the SF for measuring clinical remission (≥6 months) was assessed.
Comparison was made between SF and standard SAPS/SANS forms.

Main Results:

The SF overall score demonstrated good reliability (Cronbach's alpha = 0.78).
Strong correlations were found between SF and standard forms (r=0.89) cross-sectionally and longitudinally.
Optimal cut-off scores for remission showed high sensitivity and specificity (e.g., 100% sensitivity and 72% specificity at a cut-off of 16).

Conclusions:

The short forms of SAPS and SANS are reliable and possess face validity.
These SF scales are suitable for assessing remission in schizophrenia outpatients.
Consideration of these short forms for routine clinical practice is recommended.