UB-2 — Ultra-Brief 2-item Screener

2015

Two-item screen ('months of the year backwards' plus 'day of the week') derived from the 3D-CAM as a first-step case-finding tool.

Ultra-brief bedside screenSingle validation study

93%

Sensitivity*

64%

Specificity*

n=201

Sample

Full nameUltra-Brief 2-item Screener

Also known asUB-2, months backwards

PurposeUltra-brief bedside screen

PopulationAdult

SettingGeneral / acute hospital

Items2

Administration<1 min

EvidenceSingle validation study

Reference typeOriginal validation study

Reference standardDSM-IV (expert)

Validation samplen = 201

Cut-off / scoringAny error on 'months backwards' or day of week

Strengths＋ First-step ultra-brief screen; high sensitivity

Limitations− Low specificity; needs a confirmatory step

ReferenceFick DM, Inouye SK, Guess J, et al. Preliminary development of an ultrabrief two-item bedside test for delirium. J Hosp Med. 2015;10(10):645-50. PMID 26369992

Download RIS Download BibTeX DOI ↗ Original validation study ↗Official source ↗

* Where shown, sensitivity/specificity are from the cited validation cohort and are not pooled estimates. Citation metadata was checked against PubMed or the publisher DOI record; a checked reference does not imply validation, study quality or endorsement. See the Methodology.