# Isokinetic Strength in Peritoneal Dialysis Patients: A Reliability Study
## 3 Results
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline  & & \multicolumn{4}{c}{**Peak Torque (Nm)**} \\ \cline{3-8}  & & **Test Measurement** & \multicolumn{2}{c}{**Repetition 2**} & **Repetition 3**} & \multicolumn{2}{c}{**Repetition 4**} & **Repetition 2** & **Repetition 3**} & \multicolumn{1}{c}{\(p\)\({}^{*}\) \\ \hline \multirow{4}{*}{General (\(n=31\))} & Knee & Concentric Extension & 77.57 \(\pm\) 31.40 & 78.27 \(\pm\) 32.56 & 0.747 & 76.89 \(\pm\) 34.98 & 79.06 \(\pm\) 36.34 & 0.258 \\  & & Concentric Flexion & 43.32 \(\pm\) 21.57 & 43.43 \(\pm\) 22.93 & 0.922 & 43.80 \(\pm\) 29.92 & 44.85 \(\pm\) 31.17 & 0.448 \\ \cline{2-8}  & Elbow & Concentric Extension & 20.77 \(\pm\) 8.00 & 19.92 \(\pm\) 7.26 & 0.061 & 26.86 \(\pm\) 13.48 & 25.66 \(\pm\) 12.64 & 0.055 \\  & & Concentric Flexion & 35.69 \(\pm\) 9.65 & 35.57 \(\pm\) 10.18 & 0.842 & 51.62 \(\pm\) 13.39 & 49.63 \(\pm\) 15.90 & 0.170 \\ \hline \multirow{4}{*}{Men (\(n=19\))} & Knee & Concentric Extension & 80.77 \(\pm\) 34.03 & 83.86 \(\pm\) 32.95 & 0.317 & 82.25 \(\pm\) 38.69 & 87.45 \(\pm\) 37.62 & 0.062 \\  & & Concentric Flexion & 48.67 \(\pm\) 23.85 & 49.48 \(\pm\) 25.56 & 0.626 & 50.18 \(\pm\) 34.26 & 51.83 \(\pm\) 36.16 & 0.437 \\ \cline{2-8}  & Elbow & Concentric Extension & 24.84 \(\pm\) 6.95 & 23.88 \(\pm\) 5.78 & 0.182 & 33.25 \(\pm\) 12.38 & 31.66 \(\pm\) 11.55 & 0.116 \\  & & Concentric Flexion & 39.93 \(\pm\) 9.41 & 40.31 \(\pm\) 9.49 & 0.697 & 58.27 \(\pm\) 11.93 & 55.77 \(\pm\) 16.52 & 0.280 \\ \hline \multirow{4}{*}{Women (\(n=12\))} & Knee & Concentric Extension & 72.50 \(\pm\) 27.35 & 69.40 \(\pm\) 31.24 & 0.244 & 68.40 \(\pm\) 27.57 & 65.77 \(\pm\) 31.15 & 0.203 \\  & & Concentric Flexion & 34.85 \(\pm\) 14.50 & 33.85 \(\pm\) 14.19 & 0.364 & 33.69 \(\pm\) 18.42 & 33.80 \(\pm\) 17.14 & 0.939 \\ \cline{2-8}  & Elbow & Concentric Extension & 14.33 \(\pm\) 4.65 & 13.65 \(\pm\) 4.39 & 0.063 & 16.75 \(\pm\) 7.91 & 16.15 \(\pm\) 7.52 & 0.122 \\  & & Concentric Flexion & 28.98 \(\pm\) 5.37 & 28.07 \(\pm\) 5.95 & 0.072 & 41.09 \(\pm\) 7.65 & 39.91 \(\pm\) 8.63 & 0.242 \\ \hline \multicolumn{8}{c}{Note: Values are mean \(\pm\) standard deviation; \({}^{*}\) Paired sample \(t\)-test was performed to analyze differences in the mean values of the isokinetic variables between Repetitions 2 and 3.} \\ \end{tabular}
\end{table} 
Table 2: Summary of isokinetic peak torque and work at 60\({}^{\circ}\)/s in two repetitions (\(N=31\)). \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline  & & \multicolumn{4}{c}{**Peak Torque (Nm)**} \\ \cline{3-8}  & & **Test** & **ICC (95\% CI)** & **SEM (Nm)** & **SEM (\%)** & **SRD (Nm)** & **SRD (\%)** \\ \hline \multirow{4}{*}{General (\(n=31\))} & Knee & Concentric Extension & 0.933 (0.868–0.967) & 8.27 & 10.62 & 22.94 & 29.44 \\  & & Concentric Flexion & 0.965 (0.930–0.983) & 4.16 & 9.59 & 11.53 & 26.60 \\ \cline{2-8}  & Elbow & Concentric Extension & 0.945 (0.890–0.973) & 1.78 & 8.79 & 4.95 & 24.37 \\  & & Concentric Flexion & 0.943 (0.887–0.972) & 2.36 & 6.64 & 6.56 & 18.41 \\ \hline \multirow{4}{*}{Men (\(n=19\))} & Knee & Concentric Extension & 0. Table 4 shows the correlations between isokinetic strength and different variables such as age, height, weight, BMI, fat mass, and lean mass. The variable \"height\" was significantly correlated with all isokinetic strength outcomes, while BMI was not correlated with any variable.