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@ARTICLE{Kreutz:156834,
      author       = {C. Kreutz$^*$ and J. Müller$^*$ and M. E. Schmidt$^*$ and
                      K. Steindorf$^*$},
      title        = {{C}omparison of subjectively and objectively assessed sleep
                      problems in breast cancer patients starting neoadjuvant
                      chemotherapy.},
      journal      = {Supportive care in cancer},
      volume       = {29},
      number       = {2},
      issn         = {0941-4355},
      address      = {New York,NY},
      publisher    = {Springer},
      reportid     = {DKFZ-2020-01151},
      pages        = {1015-1023},
      year         = {2021},
      note         = {#EA:C110#LA:C110#2021 Feb;29(2):1015-1023},
      abstract     = {To characterize sleep problems and to compare subjective
                      and objective assessments in breast cancer patients starting
                      neoadjuvant chemotherapy.Sleep characteristics of 54 breast
                      cancer patients starting neoadjuvant chemotherapy were
                      analyzed. Subjective sleep characteristics were assessed
                      with the Pittsburgh Sleep Quality Index (PSQI) and objective
                      sleep measurements with an accelerometer (ActiGraph
                      wGT3X-BT) worn on the wrist for 7 consecutive days.According
                      to the common PSQI cut-off of 8, 10 $(18.87\%)$ of the
                      patients were poor sleepers. ActiGraph measures did not
                      mirror this classification as values for poor, and good
                      sleepers did not differ significantly. Overall, Bland-Altman
                      plots illustrated higher ActiGraph values for sleep
                      efficiency and effective sleep time and lower values for
                      sleep latency, compared with PSQI. For total sleep time,
                      less disagreement between both measures was observed.
                      Actigraphy was limited in precise identification of sleep
                      begin and sleep latency but provided supplementary
                      information about number and minutes of awakenings during
                      the night.Subjective and objective measurement methods
                      differed substantially in various parameters, with
                      limitations in both methods. A combination of both methods
                      might be most promising.Clinicaltrials.gov: NCT02999074.},
      cin          = {C110},
      ddc          = {610},
      cid          = {I:(DE-He78)C110-20160331},
      pnm          = {313 - Krebsrisikofaktoren und Prävention (POF4-313)},
      pid          = {G:(DE-HGF)POF4-313},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32556623},
      doi          = {10.1007/s00520-020-05580-0},
      url          = {https://inrepo02.dkfz.de/record/156834},
}