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Table 2 Classification results and contingency table for the Timed Up&Go test [6] (cut-off point > 20s)

From: Sensors vs. experts - A performance comparison of sensor-based fall risk assessment vs. conventional assessment in a sample of geriatric patients

Timed Up&Go test
    contingency table  
classification accuracy 50%   fall within one year  
sensitivity 90%   yes no Sum
specificity 22% pred. yes 17 21 38
negative predictive value 75% pred. no 2 6 8
positive predictive value 45% sum 19 27 46
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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