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DMSS-4: Abbreviated Delirium Motor Subtype Scale

2014

A four-item abbreviated version of the Delirium Motor Subtype Scale (see DMSS) for rapid classification of hyperactive/hypoactive/mixed motor subtype.

At a glance

Purpose
Motor symptoms assessment
Population
Adult
Setting
General / acute hospital, Palliative care
Time
rapid; exact timing not reported in the primary abstract
Items
4

Format: A four-feature abbreviated motor-subtyping scale derived by latent-class analysis. It assigns the same broad motor-subtype classes as the parent DMSS;

  • Strengths: Rapid four-feature classification with good concordance to the full DMSS
  • Limitations: Abbreviated subtype classifier, not a delirium detection or severity measure

Primary validation papers

0 identified diagnostic-accuracy papers

Other forms of validation are described in the evidence section. What is counted?

Large-scale clinical implementation

Not yet reviewed.

A focused implementation review has not yet been completed for this profile.

Training and instructions

Public training resources have not yet been confirmed in this review. Check the linked developer or original source for instructions.

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Tool and original sources

No direct copy is linked here. The original paper and a Google Images search are available below. Image results may be unofficial; check the version and source before use.

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Original paper

  • Principal sourceMeagher D, Adamis D, Leonard M, Trzepacz P, Grover S, Jabbar F, et al. Development of an abbreviated version of the delirium motor subtyping scale (DMSS-4). International psychogeriatrics. 2014;26(4):693-702. doi: 10.1017/S1041610213002585. PMID: 24429062.

    This is the principal published source for DMSS-4. It is the main source for the method, its intended use and the evidence available at publication.

    Open PubMed ↗
No eligible DTA study identifiedVersion or adaptation
Classification

Classification

Motor symptoms assessment

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Evidence

Diagnostic-accuracy evidenceNo eligible DTA study identified

Reported sensitivity and specificity

;
Sensitivity
;
Specificity

Four-item motor-subtype classification; good concordance with the full DMSS (κ=0.63; n=375 with delirium).

More evidence and citation details
Full name
Abbreviated Delirium Motor Subtype Scale
Also known as
DMSS-4, abbreviated DMSS
Related profiles
DMSS
Evidence summary
derivation-and-internal-validation
Reliability
Concordance with full DMSS kappa 0.63 in 375 delirium cases
Citation
Meagher D, Adamis D, Leonard M, Trzepacz P, Grover S, Jabbar F, Meehan K, O'Connor M, Cronin C, Reynolds P, Fitzgerald J, O'Regan N, Timmons S, Slor C, de Jonghe J, de Jonghe A, van Munster BC, de Rooij SE, Maclullich A Development of an abbreviated version of the delirium motor subtyping scale (DMSS-4) International psychogeriatrics. 2014;26(4):693-702. PMID 24429062
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Primary validation studies

Distinct primary publications from the current diagnostic-accuracy audit. Reviews and repeated evaluations within one paper are not counted again. Overlapping cohorts have not all been reconciled. Read the counting rules and limitations.

No eligible diagnostic-accuracy paper is currently included in this audit. This does not mean the tool has never been validated. The source paper and other evidence on this profile may concern severity, reliability or another measurement purpose.

Copyright and reuse
Information checked
2026-07-19

Instrument-specific terms apply. See the access and copyright policy or send a correction.

Base clinical review: 2026-07-29. Instrument description source check: 2026-09-05. Scope and limitations.