Research Article
Validation of Activity Tracking Procedures in Elderly Patients after Operative Treatment of Proximal Femur Fractures
Table 1
Comparison of sensitivity and specificity of two different tracker devices (Misfit Shine and Fitbit flex) at two different locations (wrist and ankle). The fifth column (“Correlation Real square”) indicates the result of a regression analysis correlating the registered steps with real steps made (gold standard). The sixth column (“ANOVA Discrimination”) reports the results of an ANOVA regarding the discrimination of different activity categories by means of the indicated tracker configuration. MFA: Misfit Shine worn at the ankle, FBA: Fitbit flex worn at the ankle, MFW: Misfit Shine worn at the wrist, and FBW: Fitbit flex worn at the wrist.
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