Depression severity captured in different rating scales

This slide shows that there are multiple clinician-administered or patient self-reported depression rating scales.^1,2 A comparison between the IDS-SR, QIDS-SR and different versions of the HAMD-D rating scales was conducted in a sample of 596 adults with either chronic, current, or recurrent MDD.^1,2 Using item response theory, severity of symptoms according to the individual rating scales was mapped against those of the other rating scales (a) the QIDS-SR total score and the IDS-SR total score; b) the IDS-SR total score and total scores on the HAM-D₁₇, HAM-D₂₁, and HAM-D₂₄; and c) the QIDS-SR total score and total scores on the HAM-D₁₇, HAM-D₂₁, and HAM-D₂₄).^1,2

References:
1. Inventory of Depressive Symptomatology (IDS) and Quick Inventory of Depressive Symptomatology (QIDS). Interpretation. Available at: http://ids-qids.org/interpretation.html. Accessed June 2025.

2. Rush AJ, Trivedi MH, Ibrahim HM, et al. The 16-item Quick Inventory of Depressive Symptomatology (QIDS), Clinician Rating (QIDS-C), and Self-Report (QIDS-SR): A psychometric evaluation in patients with chronic major depression. Biol Psychiatry 2003; 54 (5): 573–583.