← All public profiles

CCS & ADS: Communication Capacity Scale & Agitation Distress Scale

2001

Two paired observer-rated measures for communication capacity and agitation distress in terminally ill cancer patients with delirium. They quantify selected consequences and symptoms; they are not delirium screening tools.

Classification

Classification

A tool may belong to more than one category. Select a linked category to see other relevant profiles.

Start here

Tool and original sources

This record describes a method rather than a downloadable bedside form. The main source is linked below.

Original paper

  • Original paperMorita T, Tsunoda J, Inoue S, Chihara S, Oka K. Communication Capacity Scale and Agitation Distress Scale to measure the severity of delirium in terminally ill cancer patients: a validation study. Palliative medicine. 2001;15(3):197-206. doi: 10.1191/026921601678576185. PMID: 11407191.

    This paper reports the original validation of CCS & ADS. It is the main source for the method, its intended use and the evidence available at publication.

No eligible DTA study identifiedCore instrument family

At a glance

Purpose
Measurement of delirium severity
Population
Adult
Setting
Palliative care
Time
under 5-10 min; ADS uses the most severe presentation across a 12-hour observation period

Format: CCS contains five ratings and yields 0-17; ADS contains six ratings and yields 0-18 from the worst presentation across observation. The complete rating anchors should be obtained from the publication or NIDUS card.

Evidence

Evidence maturityNo eligible DTA study identified

Reported metric context

Severity scales; internal consistency alpha 0.91 and 0.96 (n=30).

More evidence and citation details
Full name
Communication Capacity Scale & Agitation Distress Scale
Also known as
CCS, ADS, Communication Capacity Scale, Agitation Distress Scale
Evidence summary
single-psychometric-validation
Reference standard
Palliative-care physician DSM-IV delirium diagnosis at first assessment; delirium diagnosed only from medication use was counted as absent
Citation
Morita T, Tsunoda J, Inoue S, Chihara S, Oka K Communication Capacity Scale and Agitation Distress Scale to measure the severity of delirium in terminally ill cancer patients: a validation study Palliative medicine. 2001;15(3):197-206. PMID 11407191
Copyright and reuse
Information checked
2026-07-19

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

Sources checked 2026-07-29. How profiles are prepared.