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Sour Seven: Sour Seven Questionnaire

2016

Seven-item questionnaire suitable for completion by informal or untrained caregivers to screen for delirium in hospitalised seniors.

Classification

Classification

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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.

Original and selected diagnostic-accuracy papers

  • Original paperShulman RW, Kalra S, Jiang JZ. Validation of the Sour Seven Questionnaire for screening delirium in hospitalized seniors by informal caregivers and untrained nurses. BMC geriatrics. 2016;16:44. doi: 10.1186/s12877-016-0217-2. PMID: 26879927.

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

    Article PDF: CC BY. This licence applies to the article PDF and does not grant rights to reproduce the tool.

  • Selected diagnostic-accuracy studyFiest KM, Krewulak KD, Ely EW, Davidson JE, Ismail Z, Sept BG, et al. Partnering With Family Members to Detect Delirium in Critically Ill Patients. Critical care medicine. 2020;48(7):954-961. doi: 10.1097/CCM.0000000000004367. PMID: 32332281.

    This diagnostic-accuracy study evaluated Sour Seven in large tertiary-care academic adult ICU against an independent DSM-5 clinical assessment. It reported sensitivity of 72.9% and specificity of 68.8% in 147 ICU patient-family dyads.

Multiple DTA studies identifiedCore instrument family

At a glance

Purpose
Episodic assessment
Population
Adult
Setting
General / acute hospital
Time
variable
Items
7
Score or threshold
≥4 (screen); ≥9 (diagnostic)

Format: The instrument records 7 scored items or observations. This site classifies it under episodic assessment and informant tools. It is intended for adult use in General / acute hospital. The stated administration time is variable. The published result is recorded using ≥4 (screen); ≥9 (diagnostic).

  • Strengths: Usable by untrained/informal caregivers
  • Limitations: Small validation sample

Evidence

Evidence maturityMultiple DTA studies identified

Reported sensitivity and specificity

89.5%
Sensitivity
90%
Specificity

Score ≥4; n=39 with psychiatrist reference.

More evidence and citation details
Full name
Sour Seven Questionnaire
Also known as
Sour Seven
Evidence summary
multi
Diagnostic-accuracy studies
3
Reference standard
Geriatric psychiatrist
Citation
Shulman RW, Kalra S, Jiang JZ Validation of the Sour Seven Questionnaire for screening delirium in hospitalized seniors by informal caregivers and untrained nurses BMC geriatrics. 2016;16:44. PMID 26879927
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.