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- W3036785623 abstract "Depression, anxiety, catastrophising, and fear-avoidance beliefs are key yellow flags (YFs) that predict a poor outcome in back patients. Most surgeons acknowledge the importance of YFs but have difficulty assessing them due to the complexity of the instruments used for their measurement and time constraints during consultations. We performed a secondary analysis of existing questionnaire data to develop a brief tool to enable the systematic evaluation of YFs and then tested it in clinical practice.The following questionnaire datasets were available from a total of 932 secondary/tertiary care patients (61 ± 16 years; 51% female): pain catastrophising (N = 347); ZUNG depression (N = 453); Hospital Anxiety and Depression Scale (anxiety subscale) (N = 308); fear-avoidance beliefs (N = 761). The single item that best represented the full-scale score was identified, to form the 4-item Core Yellow Flags Index (CYFI). 2422 patients (64 ± 16 years; 54% female) completed CYFI and a Core Outcome Measures Index (COMI) before lumbar spine surgery, and a COMI 3 and 12 months later (FU).The item-total correlation for each item with its full-length questionnaire was: 0.77 (catastrophising), 0.67 (depression), 0.69 (anxiety), 0.68 (fear-avoidance beliefs). Cronbach's α for the CYFI was 0.79. Structural equation modelling showed CYFI uniquely explained variance (p < 0.001) in COMI at both the 3- and 12-month FUs (β = 0.11 (women), 0.24 (men); and β = 0.13 (women), β = 0.14 (men), respectively).The 4-item CYFI proved to be a simple, practicable tool for routinely assessing key psychological attributes in spine surgery patients and made a relevant contribution in predicting postoperative outcome. CYFI's items were similar to those in the STarT Back screening tool used in primary care to triage patients into treatment pathways, further substantiating its validity. Wider use of CYFI may help improve the accuracy of predictive models derived using spine registry data." @default.
- W3036785623 created "2020-06-25" @default.
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- W3036785623 date "2020-06-16" @default.
- W3036785623 modified "2023-10-13" @default.
- W3036785623 title "Development of the Core Yellow Flags Index (CYFI) as a brief instrument for the assessment of key psychological factors in patients undergoing spine surgery" @default.
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- W3036785623 doi "https://doi.org/10.1007/s00586-020-06462-z" @default.
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