Standardisation framework for the Maudsley staging method for treatment resistance in depression

BMC Psychiatry

Table 4 Severity ratings compatible with the MSM for commonly used rating scales

Instrument	Clinical status categories based on severity scores						Remark
Instrument	Remission	Subthreshold	Mild	Moderate	Severe	Very severe	Remark
QIDS-C16	0–5		6–10	11–15	16–20	> 20	Remission scores are likely to be too high and include subthreshold status
QIDS-SR16	0–5		6–10	11–15	16–20	> 20
IDS-C	0–11		12–23	24–36	37–46	> 46
IDS-SR	0–13		14–25	26–38	39–48	> 48
HRSD17	0–7		8–13	14–19	20–25	26–52
MADRS	0–6		7–19	20–34	35–60
CGI	1	2	3	4	5–6	7
PSR	1–2	3	4	5	6	7

Abbreviations: CGI-Clinical Global Impression; HRSD17-Hamilton Rating Scale for Depression (17 item scale); IDS-C-Inventory of Depressive Symptoamtology, Clinician Rating; IDS-SR-Inventory of Depressive Symptomatology, Self-Report; MADRS-Montgomery-Asberg Depression Rating Scale*; PSR-Psychiatric Status Rating; QIDS-C-Quick Inventory of Depressive Symptomatology Clinician rated version; QIDS-SR-Quick Inventory of Depressive Symptomatology Self Rated version
Note: Adapted from http://www.ids-qids.org/interpretation.html (accessed on 29 Jan 2016) and the original sources of the instruments except for MADRS [108]

ISSN: 1471-244X