\begin{table}%t4
%\centering
\par
\caption{Performance of the SZ cluster detection methods. The table gives the absolute number of detection for $|b|>20^{\circ}$.}\label{tab:sz_performances}
\begin{tabular}{cccc}
\hline \hline
Method    &  Detections & False & Reliability \\
\hline
Needlet-ILC + SExt. & 2564 & 225 & 91\% \\ 
Needlet-ILC + MF & 1804 & 179 & 90\% \\ 
MMF Saclay & 1803 & 178 & 90\% \\ 
MMF IFCA & 1535 & 144 &  91\% \\
\hline
\end{tabular}
\end{table}