## 3 Results
### Article Selection
\begin{table}
\begin{tabular}{p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt}} \hline
**Author/ Year** & **Purpose** & **Device and Application** & **Filter** & **Results** \\ \hline \hline \multirow{9}{*}{[PERSON] et al., 2017 [17]} & & -iPad (3 rd generation Apple iPad, Cuperino) and kinematic data measured by hardware inside a tablet device was of sufficient quantity and quality to characterize & -iPad, Cuperino) and kinematic system (Motion Analysis Corporation Eagle System; Santa Rosa, CA, USA) & -The motion capture system and tablet provided similar measures of stability between groups. Within the patient population, the correlation between the two systems for peak-to-peak, normalized path length, root mean square, 95\% volume, and total power values ranged from 0.66 to 1.00. \\ \cline{2-5}  & & & Limits between the 2 devices ranged from 0.58 to 0.58 in the NeuroCom Sensorly Organization Test (SOT) condition 1 and from 2.98 to 1.38 in SOT condition 5. The highest absolute value of the measurement error within the 95\% confidence range for all conditions was 2.98. The mean absolute percent error analysis indicated that iPad2 tracked NeuroCom COG with a mean error ranging from 5.87\% to 10.42\% of the NeuroCom measurement under SOT conditions. \\ \hline \hline \multirow{9}{*}{[PERSON] et al., 2017 [16]} & & & The mobile device platform was able to distinguish in all conditions [PERSON]’s participants from controls. \\ \cline{2-5}  & & -iPad (Apple, Inc. Cuperino, CA, USA) & Fourth-order Butterworth filter, low pass with 4 Hz cutoff frequency. & -The mobile device conditions [PERSON]’s participants from controls. Peak-to-peak balance metric was significantly higher in [PERSON]’s disease compared to controls (\(p<0.01\) for all tests). \\ \hline \hline \multirow{9}{*}{[PERSON] et al., 2018 [21]} & \multirow{3}{*}{Determine whether the biomechanical metrics of a mobile inertial measurement device unit were sensitive to characteristic the effects of antiparkinsonian medication during the Timed Up and Go (TUG) test.} & -Aceeleration = low-pass, 20 Hz zero-lag 4 th order CA, USA) & The mobile device 20 Hz zero-lag 4 th order Butterworth. & -The mobile device detected significant improvements associated with antiparkinsonian drug. The platform provides objective reports immediately after clinical evaluations. \\ \cline{2-5}  & & -iPad (Apple, Inc. Cuperino, CA, USA) & -Aceeleration = low-pass, 20 Hz zero-lag 4 th order Butterworth filter and low-pass at a platform during challenging equilibrium conditions (\(p=0.42\)–\(0.81\); \(p<0.01\)–\(0.05\)). \\ \cline{2-5}  & & -iPad (Apple, Inc. Cuperino, CA, USA) & -Aceeleration = low-pass, 20 Hz zero-lag 4 th order Butterworth filter and low-pass at a platform during challenging equilibrium conditions (\(p=0.42\)–\(0.81\); \(p<0.01\)–\(0.05\)). \\ \cline{2-5}  & & -iPad (Apple, Inc. Cuperino, CA, USA) & -Aceeleration = low-pass, 20 Hz zero-lag 4 th order Butterworth filter, low-pass at a platform during challenging equilibrium conditions (\(p=0.42\)–\(0.81\); \(p<0.01\)–\(0.05\)). \\ \hline \hline \end{tabular}
\end{table} 
Table 1: _Cont._people [18]. Furthermore, studies assessed fall risks (N = 2) [15; 19] and gait (N = 2) [20; 21]. To verify the utility of applications, the articles compared the data collected from applications with kinematics (N = 3) [14; 17; 18], the force platform (N = 1) [15], and scales and clinical evaluations (N = 4) [16; 19; 20; 22].