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Table 7 Discriminant validity and Minimum clinically relevant difference of ADRSc, ADRSp, HDRS and BDI

From: The Adolescent Depression Rating Scale (ADRS): a validation study

  ADRSc HDRS ADRSp BDI
  mean (sd) mean (sd) mean (sd) mean (sd)
Levels of depression     
No depression 8.9 (6.1) 6.0 (4.2) 2.3 (2.5) 8.6 (6.8)
Intermediate group 17.7 (7.6) 11.0 (5.4) 4.1 (2.7) 12.9 (8.3)
Depression 28.2 (8.9) 17.2 (6.2) 6.0 (2.7) 19.4 (8.9)
Effect size     
no dep vs (inter+dep) 1.41 1.21 0.94 0.79
(no dep+inter) vs dep 1.51 1.30 1.01 0.94
Sensitivity/specificity Cut-off 15:
0.76/0.80
Cut-off 20:
0.83/0.78
  Cut off 3:
0.79/0.60
Cut-off 4:
0.80/0.60
 
Minimum clinically relevant difference 5.2 3.1 0.9 2.5
  1. ADRSc: Adolescent Depression Rating Scale (clinician version)
  2. HDRS: Hamilton Depression Rating Scale
  3. ADRSp: Adolescent Depression Rating Scale (self-rated version)
  4. BDI: Beck Depression Inventory
  5. No depression: the patients did not meet DSM-IV criteria for MDD and were not judged clinically depressed by the investigator.
  6. Intermediate depression group: the patients did not met the DSM-IV criteria for MDD but were judged clinically depressed.
  7. Depression: the patients met DSM-IV criteria for MDD and were judged clinically depressed.