Browsing by Author "Emiroglu, B"

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    Validation of the Turkish Version of the Functional Remission of General Schizophrenia (FROGS) Scale
    Emiroglu, B; Karadayi, G; Aydemir, Ö; Üçok, A
    Objective: The concepts of functionality and remission in schizophrenia are being subject for a substantial amount of research. At the same time, an increasing number of scales are developed in our country and worldwide, which are intended to measure the level of functionality in severe mental disorders. Functional remission is an important goal of treatment, which provides possibility of an autonomous lifestyle for schizophrenia patients, allowing them to readapt to their relationships with parents, work life, other interpersonal communications and social environments. The Functional Remission of General Schizophrenia (FROGS) Scale was developed in French and is suitable for use in research as well as for clinical evaluation of patients. We intended to carry out a validity and reliability study on this scale in order to make it eligible for use in the conditions within Turkey. Methods: 102 schizophrenia patients, either inpatients or outpatients, receiving treatment in the Istanbul University, Istanbul Faculty of Medicine, Psychiatry Department, were included in the study. In this research, reliability of the Functional Remission of General Schizophrenia (FROGS) Scale was assessed by investigating the internal consistency coefficients and item analysis procedures of every subscale and interrater reliability coefficient, whereas validity was evaluated by factor analysis, content validity and criterion validity. In order to test the criterion and content validities in addition to the FROGS Scale, the Schizophrenia Quality of Life Scale (SQLS) was used and the Positive and Negative Syndrome Scale (PANSS) was aplied to determine the symptom severity. Results: Within the reliability analysis, the highest internal consistency coefficient of the scale (0.89) was found using Cronbach's Alpha method. The lowest internal consistency coefficient (0.86) was obtained with Guttman's split-half technique. The investigation of the item analysis results of the Functional Remission of General Schizophrenia (FROGS) Scale has shown that all of the items which the scale consists of are significant at 0.01 level when they are assessed using all three methods of item total, item remainder and distinctiveness (p<0.01). Therefore, it was decided that those items are excellent and they should be included in the scale, Criterion validity analysis was carried out between the FROGS Scale and the Quality of Life Scale and a high level of correlation was observed (r=0.82, p<0.0001). A good level of correlation was found between the FROGS Scale and PANSS, as well (r=-0.51, p<0.001). Conclusion: The Turkish version of the Functional Remission of General Schizophrenia (FROGS) Scale is a tool which can assess the functional remission of schizophrenia patients in a reliable and valid level. (Archives of Neuropsychiatry 2009,46 Supplement 15-24)
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    The validation of Turkish version of personal and social performance scale (PSP)
    Aydemir, Ö; Üçok, A; Esen-Danaci, A; Canpolat, T; Karadayi, G; Emiroglu, B; Sariöz, F
    Objective: Functioning in severe mental disorders is very important and brief functioning rating instruments are needed. Even though patients with severe psychiatric disorders achieve symptomatic recovery, most of them cannot return to their initial level of social functioning. Personal and Social Performance Scale (PSP) is one of the instruments which can be used in severe mental disorders such as schizophrenia and takes a short time to complete. Methods: The study was performed in departments of psychiatry of two university hospitals. In- or out-patients diagnosed with schizophrenia or bipolar disorders were included in the study. The exclusion criteria were comorbidity of other psychiatric disorders including substance use disorders or of physical diseases. For concurrent validity, beside PSP, Clinical Global Impression (CGI), Global Assessment of Functioning (GAF) of DSM-IV, Quality of Life and Satisfaction Questionnaire (QLS-Q), and Positive and Negative Syndrome Scale (PANSS) were used. For discriminant validity, the mean scores of PSP in patients with and without symptomatic remission were compared. Results: The study was carried out with a total of 135 patients, 105 (77.8%) patients diagnosed with schizophrenia and 30 (22.2%) patients diagnosed with bipolar disorder. The mean age of the patients was 34.1 +/- 10.7 and 75 (55.6%) of them were male. The duration of illness was 10.4 +/- 7.5 years. The mean score of PSP was found to be 60.0 +/- 17.1. In the reliability analysis, the Cronbach alpha coefficient was calculated to be 0.8327, and item-total score correlations were found to be between 0.4920-0.7462. Intraclass correlation coefficient was calculated to be 0.8324. The inter-rater reliability of PSP performed on 30 schizophrenic patients was found to be 0.973 (p<0.0001). In the validity analyses, the total score of PSP was significantly correlated with the total score of Clinical Global Impression (CGI) (r=-0.854, p<0.0001), Global Assessment of Functioning (GAF) (r=0.748, p<0.0001), Quality of Life and Satisfaction Questionnaire (QLS-Q) (r=0.734, p<0.0001), and Positive and Negative Syndrome Scale (PANSS) (r=-0.664, p<0.0001). There was a significant difference between the patients with and without symptomatic remission (54.8 +/- 14.8 vs. 72.6 +/- 9.8, t=7.434, p<0.0001). Conclusion: The Turkish version of PSP was found to be reliable and valid in severe mental disorders and was sensitive to change. It can be used both in clinical trials and routine clinical practice.
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    THE VALIDATION OF TURKISH VERSION OF PERSONAL AND SOCIAL PERFORMANCE SCALE (PSP)
    Aydemir, O; Ucok, A; Danaci, AE; Sariöz, F; Canpolat, T; Karadayi, G; Emiroglu, B