Novel rating scales for schizophrenia - Targeted Inventory on Problems in Schizophrenia (TIP-Sz) and Functional Assessment for Comprehensive Treatment of Schizophrenia (FACT-Sz)

Takefumi Suzuki, Hiroyuki Uchida, Kensuke Nomura, Hiroyoshi Takeuchi, Shinichiro Nakajima, Akira Tanabe, Gohei Yagi, Koichiro Watanabe, Haruo Kashima

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Objective: Many rating scales have been in use to evaluate various symptomatic domains, and eventually there are too many scales to be selected and widely utilized in busy real-world settings. Relevant, quick, and user-friendly assessment scales are needed to facilitate measurement-based treatment of schizophrenia. Methods: The authors created unique convenient assessment scales: Targeted Inventory on Problems in Schizophrenia (TIP-Sz), and Functional Assessment for Comprehensive Treatment of Schizophrenia (FACT-Sz). The TIP-Sz consists of 10 items (behavioral dyscontrol/disorganization, hostility/agitation/violence, indifference/affective withdrawal/motor retardation, symptoms on mood/anxiety/obsession/compulsion, insight/reality testing, social competence/independence, adherence to treatment, therapeutic alliance/comfort of therapists on the situation, overall prognostic impression, and subjective well-being/satisfaction with therapy). They are all common and frequently problematic, and each item is rated from 0-10. The FACT-Sz evaluates psychosocial functioning of patients with a score of 0-100, and is judged entirely on an objective basis. Their correlations with the frequently utilized Positive and Negative Syndrome Scale (PANSS), Global Assessment of Functioning (GAF), and Clinical Global Impression-Severity subscale were determined. Results: Data on 36 patients, assessed separately by four experienced psychiatrists, were analyzed. Under an excellent interrater reliability among raters (Intraclass correlation coefficients: 0.822-0.966), correlations among the scales were very high (Spearman's ρ: 0.825-0.909), and other indicators of the scale were generally good. Specifically, the TIP-Sz and FACT-Sz could be rated at 1/3-1/4 of time to complete the PANSS and GAF. Conclusion: The TIP-Sz and FACT-Sz proved to be reliable and valid, which would be of value in daily clinical practice as a minimum standardized assessment set.

Original languageEnglish
Pages (from-to)328-336
Number of pages9
JournalSchizophrenia Research
Volume106
Issue number2-3
DOIs
Publication statusPublished - 2008 Dec

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Schizophrenia
Equipment and Supplies
Therapeutics
Reality Testing
Obsessive Behavior
Hostility
Violence
Psychiatry
Anxiety

Keywords

  • FACT-Sz
  • Functioning
  • Problems
  • Rating scale
  • Schizophrenia
  • TIP-Sz

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Novel rating scales for schizophrenia - Targeted Inventory on Problems in Schizophrenia (TIP-Sz) and Functional Assessment for Comprehensive Treatment of Schizophrenia (FACT-Sz). / Suzuki, Takefumi; Uchida, Hiroyuki; Nomura, Kensuke; Takeuchi, Hiroyoshi; Nakajima, Shinichiro; Tanabe, Akira; Yagi, Gohei; Watanabe, Koichiro; Kashima, Haruo.

In: Schizophrenia Research, Vol. 106, No. 2-3, 12.2008, p. 328-336.

Research output: Contribution to journalArticle

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AU - Nomura, Kensuke

AU - Takeuchi, Hiroyoshi

AU - Nakajima, Shinichiro

AU - Tanabe, Akira

AU - Yagi, Gohei

AU - Watanabe, Koichiro

AU - Kashima, Haruo

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AB - Objective: Many rating scales have been in use to evaluate various symptomatic domains, and eventually there are too many scales to be selected and widely utilized in busy real-world settings. Relevant, quick, and user-friendly assessment scales are needed to facilitate measurement-based treatment of schizophrenia. Methods: The authors created unique convenient assessment scales: Targeted Inventory on Problems in Schizophrenia (TIP-Sz), and Functional Assessment for Comprehensive Treatment of Schizophrenia (FACT-Sz). The TIP-Sz consists of 10 items (behavioral dyscontrol/disorganization, hostility/agitation/violence, indifference/affective withdrawal/motor retardation, symptoms on mood/anxiety/obsession/compulsion, insight/reality testing, social competence/independence, adherence to treatment, therapeutic alliance/comfort of therapists on the situation, overall prognostic impression, and subjective well-being/satisfaction with therapy). They are all common and frequently problematic, and each item is rated from 0-10. The FACT-Sz evaluates psychosocial functioning of patients with a score of 0-100, and is judged entirely on an objective basis. Their correlations with the frequently utilized Positive and Negative Syndrome Scale (PANSS), Global Assessment of Functioning (GAF), and Clinical Global Impression-Severity subscale were determined. Results: Data on 36 patients, assessed separately by four experienced psychiatrists, were analyzed. Under an excellent interrater reliability among raters (Intraclass correlation coefficients: 0.822-0.966), correlations among the scales were very high (Spearman's ρ: 0.825-0.909), and other indicators of the scale were generally good. Specifically, the TIP-Sz and FACT-Sz could be rated at 1/3-1/4 of time to complete the PANSS and GAF. Conclusion: The TIP-Sz and FACT-Sz proved to be reliable and valid, which would be of value in daily clinical practice as a minimum standardized assessment set.

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