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@ARTICLE{SchedlichTeufer:901838,
      author       = {Schedlich-Teufer, Charlotte and Jost, Stefanie Theresa and
                      Krack, Paul and Witt, Karsten and Weintraub, Daniel and
                      Baldermann, Juan Carlos and Sommerauer, Michael and Amstutz,
                      Deborah and van Eimeren, Thilo and Dafsari, Haidar Salimi
                      and Kalbe, Elke and Visser-Vandewalle, Veerle and Fink,
                      Gereon Rudolf and Kessler, Josef and Barbe, Michael Thomas},
      title        = {{A}ssessment of {A}ffective-{B}ehavioral {S}tates in
                      {P}arkinson’s {D}isease {P}atients: {T}owards a {N}ew
                      {S}creening {T}ool},
      journal      = {Journal of Parkinson's Disease},
      volume       = {11},
      number       = {3},
      issn         = {1877-718X},
      address      = {Amsterdam},
      publisher    = {IOS Press},
      reportid     = {FZJ-2021-03859},
      pages        = {1417 - 1430},
      year         = {2021},
      abstract     = {Background:Assessment of affective-behavioral states in
                      patients with Parkinson’s disease (PD) undergoing deep
                      brain stimulation (DBS) is essential.Objective:To analyze
                      well-established questionnaires as a pilot-study with the
                      long term aim to develop a screening tool evaluating
                      affective-behavioral dysfunction, including depression,
                      anxiety, apathy, mania, and impulse control disorders, in PD
                      patients screened for DBS.Methods:Two hundred ninety-seven
                      inpatients with PD underwent standardized neuropsychiatric
                      testing including German versions of Beck Depression
                      Inventory-II, Hospital Anxiety and Depression Scale, Apathy
                      Evaluation Scale, Self-Report Manic Inventory, and
                      Questionnaire for Impulsive-Compulsive Disorders in
                      PD-Rating Scale, to assess appropriateness for DBS.
                      Statistical item reduction was based on exploratory factor
                      analysis, Cronbach’s alpha, item-total correlations, item
                      difficulty, and inter-item correlations. Confirmatory factor
                      analysis was conducted to assess factorial validity. An
                      expert rating was performed to identify clinically relevant
                      items in the context of PD and DBS, to maintain content
                      validity. We compared the shortened subscales with the
                      original questionnaires using correlations. To determine
                      cutoff points, receiver operating characteristics analysis
                      was performed.Results:The items of the initial
                      questionnaires were reduced from 129 to 38 items. Results of
                      confirmatory factor analyses supported the validity of the
                      shortened pool. It demonstrated high internal consistency
                      (Cronbach’s alpha = 0.72–0.83 across subscales), and
                      the individual subscales were correlated with the
                      corresponding original scales (rs = 0.84–0.95).
                      Sensitivities and specificities exceeded 0.7.},
      cin          = {INM-3},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-3-20090406},
      pnm          = {5251 - Multilevel Brain Organization and Variability
                      (POF4-525)},
      pid          = {G:(DE-HGF)POF4-5251},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:33967055},
      UT           = {WOS:000683027900041},
      doi          = {10.3233/JPD-202375},
      url          = {https://juser.fz-juelich.de/record/901838},
}