\begin{tabular}{r|ccc}
\toprule
      & test   & test2  & test3   \\ \hline
 key1 &  0.867 &        &   0.867 \\
      &        &        & (0.749) \\
 key2 & -0.902 & -0.902 &  -0.902 \\
      &        &        & (0.139) \\
 key3 & -0.494 & -0.494 &  -0.494 \\
      &        &        & (0.358) \\
 key4 & -0.903 & -0.903 &  -0.903 \\
      &        &        & (1.361) \\
 key5 &  0.864 &  0.864 &   0.864 \\
      &        &        & (0.910) \\
 key6 &  2.212 &  2.212 &   2.212 \\
      &        &        & (0.332) \\
 key7 &  0.533 &  0.533 &   0.533 \\
      &        &        & (0.501) \\
 key8 & -0.272 & -0.272 &  -0.272 \\
      &        &        & (0.608) \\
 key9 &  0.502 &  0.502 &   0.502 \\
      &        &        & (0.269) \\
key10 & -0.517 &        &  -0.517 \\
      &        &        & (1.226) \\
\bottomrule
\end{tabular}