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Geriatrics Calculators

Frailty scales, delirium screening, GDS, Barthel index, and Katz ADL

6 calculators
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4AT Rapid Delirium Screening Test

A brief, validated screening tool for delirium detection that incorporates cognitive testing and assessment of acute change. Designed for routine clinical pr...

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Barthel Index of Activities of Daily Living

A 10-item measure of functional independence in basic activities of daily living, widely used in stroke rehabilitation and elderly care. Score ranges from 0-...

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FRAIL Scale for Frailty Assessment

A simple 5-item screening questionnaire for frailty that assesses Fatigue, Resistance, Ambulation, Illness, and Loss of weight. Score 0-5.

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Geriatric Depression Scale (GDS-15 Short Form)

A 15-item yes/no questionnaire for screening depression in older adults. Higher scores indicate more depressive symptoms. A 5-item version (GDS-5) is also co...

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Katz Index of Independence in Activities of Daily Living

A widely used measure of basic ADLs that evaluates independence in 6 essential functions. Each item is scored as independent (1) or dependent (0), with a tot...

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Mini-Cog Dementia Screening

A brief 3-minute cognitive screening tool combining a 3-item recall test and clock drawing. Designed for use in primary care and busy clinical settings.

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⚠️ Medical Disclaimer: All calculators on this site are for educational and clinical decision-support purposes only. They are not a substitute for professional medical advice, diagnosis, or treatment. Always verify calculations independently and exercise clinical judgment.