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Table 4 Screening Efficiency for the Diagnostic Categories for Different Levels of Dichotomisation among 286 patients in the Child and Adolescent Mental Health Services North Study, Norway, 2006-2008

From: The strengths and difficulties questionnaire as a screening instrument for norwegian child and adolescent mental health services, application of UK scoring algorithms

  Sensitivity (proba/possb) Specificity (proba/possb) PPV (proba/possb) NPV (proba/possb) LHR+ (proba/possb) LHR- (proba/possb) ORD (proba95% CI) ORD (possb95% CI)
Emotional disorders 0.47/0.81 0.87/0.55 0.66/0.48 0.76/0.84 3.68/1.78 0.61/0.45 6.05 (3.37-10.84) 5.04 (2.83-8.98)
Hyperactivity disorders 0.77/1.00 0.80/0.45 0.46/0.28 0.94/1.00 3.91/1.81 0.29/0.00 13.35 (6.48-27.51) c
Conduct disorders 0.83/0.97 0.75/0.58 0.59/0.51 0.91/0.98 3.29/2.30 0.23/0.06 14.41 (7.59-27.36) 39.26 (12.00-128.46)
Any disorder 0.85/0.96 0.52/0.24 0.77/0.71 0.65/0.74 1.78/1.25 0.29/0.18 6.20 (3.53-10.90) 6.90 (2.95-16.12)
  1. aDichotimised on probable level ('unlikely and 'possible' labelled 'no diagnosis', 'probably' labelled 'diagnoses'), bDichotomised on possible level (unlikely labelled 'no diagnosis', 'possible' and 'probably' labelled 'diagnoses'), cNot possible to calculate due to zero in the denominator. Categorised as potentially useful.
  2. Note. Potentially useful tests as indicated by the guideline provided by Fischer, Bachmann and Jaeschke [20] in bold.