## 3 Results
\begin{table}
\begin{tabular}{l l l l l l l l l l} \hline \hline  & \multicolumn{1}{c}{**Authors**} & \multicolumn{1}{c}{**G**} & \multicolumn{1}{c}{**M**} & \multicolumn{1}{c}{**95\% CI**} & \multicolumn{1}{c}{**Weight (\%)**} & \multicolumn{1}{c}{**M**} & \multicolumn{1}{c}{**95\% CI**} & \multicolumn{1}{c}{\(p\)} \\ \hline \multicolumn{10}{c}{Fat mass percentage} \\ \hline Goalkeeper & [23, 26, 27, 31–33, 37, 39, 42–44, 46–48] & 14 & 13.6 & 11.5; 15.7 & 15.7 & & & & \\ Defender & [23, 26, 27, 31–33, 35–39, 41–48] & 26 & 11.6 & 10.5; 12.6 & 31.4 & & & \\ Midfielder & [23, 26, 27, 31–33, 35–39, 41–48] & 22 & 11.6 & 10.1; 13.1 & 26.8 & & & \\ Forward & [23, 26, 27, 31–33, 35–39, 41–48] & 22 & 11.6 & 10.3; 12.8 & 26.1 & & & \\ \hline \multicolumn{10}{c}{Fat mass kg} \\ \hline Goalkeeper & [25, 33, 39, 42, 43, 46] & 6 & 13.2 & 8.58; 17.8 & 18.8 & & & \\ Defender & [24, 25, 33, 39, 41–43, 46] & 8 & 11.3 & 8.12; 14.5 & 26 & & \\ Midfielder & [24, 25, 33, 39, 41–43, 46] & 9 & 10.1 & 7.35; 12.9 & 29.3 & & & \\ Forward & [24, 25, 33, 39, 41–43, 46] & 8 & 10.6 & 7.83; 13.4 & 25.9 & & & \\ \hline \multicolumn{10}{c}{Muscle mass percentage} \\ \hline Goalkeeper & [33] & 1 & 49.5 & 48.1; 50.9 & 11.5 & & & & \\ Defender & [33, 36] & 3 & 46.5 & 41.4; 51.7 & 31.6 & & & \\ Midfielder & [33, 36] & 2 & 47.1 & 30.0; 64.2 & 24.1 & & & \\ Forward & [33, 36] & 3 & 46.5 & 40.1; 52.9 & 32.8 & & & \\ \hline \multicolumn{10}{c}{Muscle mass kg} \\ \hline Goalkeeper & [25, 33, 39, 48] & 4 & 40.8 & 38.4; 43.2 & 23.5 & & & & \\ Defender & [25, 33, 39, 48] & 4 & 39.7 & 36.0; 43.4 & 25.5 & & & \\ Midfielder & [25, 33, 39, 48] & 4 & 35.9 & 32.4; 39.4 & 26.5 & & & \\ Forward & [25, 33, 39, 48] & 4 & 37.9 & 36.2; 39.5 & 24.5 & & & \\ \hline \multicolumn{10}{c}{Fat-free mass kg} \\ \hline Goalkeeper & [39, 42, 43, 46, 47] & 5 & 69.1 & 64.1; 74.2 & 17.1 & & & & \\ Defender & [24, 39, 41–43, 46, 47] & 8 & 65.0 & 59.7; 70.2 & 29.5 & & & \\ Midfielder & [24, 39, 41–43, 46, 47] & 8 & 61.9 & 59.3; 64.5 & 29.7 & & 64.7 & 62.7; 66.6 & 0.09 \\ Forward & [24, 39, 41–43, 46, 47] & 7 & 64.4 & 60.5; 68.4 & 23.7 & & & \\ \hline \multicolumn{10}{c}{Endomorphy} \\ \hline Goalkeeper & [25, 28, 29, 33, 34, 48] & 7 & 2.41 & 1.78; 3.04 & 21.3 & & & & \\ Defender & [25, 28, 29, 33, 34, 48] & 8 & 2.27 & 1.94; 2.60 & 27.5 & & & \\ Midfielder & [25, 28, 29, 33, 34, 48] & 8 & 2.37 & 2.03; 2.71 & 28.2 & & & \\ Forward & [25, 28, 29, 33, 34, 48] & 7 & 2.22 & 1.72; 2.72 & 23.0 & & & \\ \hline \multicolumn{10}{c}{Ectomorphy} \\ \hline Goalkeeper & [25, 28, 29, 33, 34, 48] & 7 & 2.50 & 2.18; 2.81 & 19.6 & & & & \\ Defender & [25, 28, 29, 33, 34, 48] & 8 & 2.29 & 2.09; 2.49 & 29.6 & & & \\ Midfielder & [25, 28, 29, 33, 34, 48] & 8 & 2.25 & 1.94; 2.55 & 29.9 & & & \\ Forward & [25, 28, 29, 33, 34, 48] & 7 & 2.23 & 1.91; 2.55 & 20.9 & & & \\ \hline \multicolumn{10}{c}{Mesomorphy} \\ \hline Goalkeeper & [25, 28, 29, 33, 34, 48] & 7 & 4.53 & 4.52; 5.43 & 19.5 & & & & \\ Defender & [25, 28, 29, 33, 34, 48] & 8 & 4.77 & 4.77; 5.37 & 29.7 & & & \\ Midfielder & [25, 28, 29, 33, 34, 48] & 8 & 4.71 & 4.71; 5.42 & 28.7 & & & \\ Forward & [25, 28, 29, 33, 34, 48] & 7 & 4.46 & 4.46; 5.83 & 22.0 & & & \\ \hline \multicolumn{10}{c}{Bone mineral density} \\ \hline Goalkeeper & [42, 44, 46, 47] & 4 & 1.35 & 1.21; 1.49 & 22.1 & & & & \\ Defender & [42, 44, 46, 47] & 5 & 1.34 & 1.23; 1.45 & 28.5 & & & \\ Midfielder & [42, 44, 46, 47] & 5 & 1.36 & 1.28; 1.45 & 27.4 & & 1.35 & 1.31; 1.39 & 0.983 \\ Forward & [42, 44, 46, 47] & 4 & 1.35 & 1.22; 1.47 & 22.0 & & & & \\ \hline \multicolumn{10}{c}{Bone mineral content} \\ \hline Goalkeeper & [42, 47] & 2 & 3.47 & \(-1.36;8.30\) & 22.3 & & & & \\ Defender & [42, 47] & 3 & 3.39 & 2.07; 4.71 & 34.2 & & & \\ Midfielder & [42, 47] & 2 & 3.19 & \(-0.94;7.31\) & 22.1 & & & & \\ Forward & [42, 47] & 2 & 3.20 & \(-0.47;6.88\) & 21.4 & & & \\ \hline \hline \end{tabular}
\end{table}