Diagnostic accuracy of the Fast Timed Up and Go test for identifying low lower-limb functional power in community-dwelling Thai older women: a cross-sectional study using sit-to-stand-derived muscle power as the reference standard

Key Points

• This study aims to assess the diagnostic accuracy of the Fast Timed Up and Go test for identifying low lower-limb functional power in Thai older women.
• Cross-sectional design conducted in community-dwelling Thai older women
• Used sit-to-stand-derived muscle power as the reference standard for comparison
• Evaluated performance of the Fast Timed Up and Go test.
• The Fast Timed Up and Go test shows high diagnostic accuracy for identifying low lower-limb functional power.
• Performed with improved sensitivity and specificity compared to traditional methods.
• Validated findings support its potential use in clinical settings.