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Table 1 Classification results and contingency table for the STRATIFY score [7] (cut-off point ≥ 2 points)

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

STRATIFY score

   

contingency table

 

classification accuracy

48%

 

fall within one year

 

sensitivity

79%

 

yes

no

Sum

specificity

26%

pred. yes

15

20

35

negative predictive value

63%

pred. no

4

7

11

positive predictive value

43%

sum

19

27

46

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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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