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2016 ; 6
(2
): e009297
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gab.com Text
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English Wikipedia
Which are the most useful scales for predicting repeat self-harm? A systematic
review evaluating risk scales using measures of diagnostic accuracy
#MMPMID26873046
Quinlivan L
; Cooper J
; Davies L
; Hawton K
; Gunnell D
; Kapur N
BMJ Open
2016[Feb]; 6
(2
): e009297
PMID26873046
show ga
OBJECTIVES: The aims of this review were to calculate the diagnostic accuracy
statistics of risk scales following self-harm and consider which might be the
most useful scales in clinical practice. DESIGN: Systematic review. METHODS: We
based our search terms on those used in the systematic reviews carried out for
the National Institute for Health and Care Excellence self-harm guidelines (2012)
and evidence update (2013), and updated the searches through to February 2015
(CINAHL, EMBASE, MEDLINE, and PsychINFO). Methodological quality was assessed and
three reviewers extracted data independently. We limited our analysis to cohort
studies in adults using the outcome of repeat self-harm or attempted suicide. We
calculated diagnostic accuracy statistics including measures of global accuracy.
Statistical pooling was not possible due to heterogeneity. RESULTS: The eight
papers included in the final analysis varied widely according to methodological
quality and the content of scales employed. Overall, sensitivity of scales ranged
from 6% (95% CI 5% to 6%) to 97% (CI 95% 94% to 98%). The positive predictive
value (PPV) ranged from 5% (95% CI 3% to 9%) to 84% (95% CI 80% to 87%). The
diagnostic OR ranged from 1.01 (95% CI 0.434 to 2.5) to 16.3 (95%CI 12.5 to
21.4). Scales with high sensitivity tended to have low PPVs. CONCLUSIONS: It is
difficult to be certain which, if any, are the most useful scales for self-harm
risk assessment. No scales perform sufficiently well so as to be recommended for
routine clinical use. Further robust prospective studies are warranted to
evaluate risk scales following an episode of self-harm. Diagnostic accuracy
statistics should be considered in relation to the specific service needs, and
scales should only be used as an adjunct to assessment.
|Adult
[MESH]
|Humans
[MESH]
|Risk Assessment/*statistics & numerical data
[MESH]