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4AT (Rapid Assessment Test for Delirium)ACS-NSQIP Surgical Risk CalculatorAD8 Dementia ScreeningAnticholinergic Burden Score (ACB)Barthel IndexBeers Criteria (PIMs)Berg Balance ScaleBraden ScaleCAM — Confusion Assessment MethodClinical Dementia Rating (CDR)Clinical Frailty Scale (CFS)Clock Drawing Test (CDT)Cornell Scale for Depression (CSDD)DOSS (Delirium Observation Screening Scale)DRS-R-98 (Delirium Rating Scale)Drug Burden Index (DBI)Edmonton Frail Scale (EFS)FRAIL ScaleFried Frailty PhenotypeFunctional Independence Measure (FIM)Functional Reach TestGeriatric Depression Scale (GDS-15)Groningen Frailty Indicator (GFI)HELP Score (Postoperative Delirium Risk)Hendrich II Fall Risk ModelICIQ-UI SFinterRAI Clinical AssessmentIQCODEKatz Index of Independence in ADLsLawton Instrumental ADL ScalemFI-5 Preoperative FrailtyMini Nutritional Assessment (MNA) - FullMini-CogMMSEMNA-SF (Short Form)Morse Fall ScaleMUST (Malnutrition Universal Screening Tool)Norton ScaleOAB-V8OST (Osteoporosis Screening Tool)OSTA (Osteoporosis Self-Assessment Tool for Asians)Six-Item Screener (SIS)SPMSQSTOPP/START CriteriaSTRATIFY Risk Assessment ToolTimed Up and Go (TUG) TestTriage Risk Screening Tool (TRST)Waterlow Score
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OST (Osteoporosis Screening Tool)

OST is derived from OSTA but recalibrated for Caucasian postmenopausal women. The score is simply: Weight (kg) - Age (years).

Patient Parameters

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

When to Use

Screening Caucasian postmenopausal women to determine the need for Bone Mineral Density (BMD) testing.
Identifying high-risk candidates for osteoporosis.
A simplified alternative to the MORE or SCORE tools in primary care.

Simplified Assessment

The OST is a direct adaptation of the OSTA index, stripped of the 0.2 multiplier, making it exceptionally easy to calculate mentally: Weight (kg) - Age (years).

Related Scores in Practice

In clinical practice, this assessment is frequently evaluated alongside other validated measures. Depending on the patient's presentation and specific diagnostic requirements, you may also need to utilize the Breslow & Clark Microstaging or the FRAX Score to formulate a comprehensive care plan.

Last Comprehensive Review: 2026

Related Geriatrics Tools

Breslow & Clark Microstaging
FRAX Score
Beers Criteria
OST
Edmonton Frail Scale
Triage Risk Screening Tool
Drug Burden Index
Mini Nutritional Assessment
DOSS
Clinical Dementia Rating
Geriatrics CalculatorsInternal Medicine CalculatorsEmergency Medicine Calculators
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