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\begin{document}
    \begin{tabular}{ c  c  c }
      \hline
      Coefficient & Ref. [42] & Fit result \\
      \hline
        $b^{+}_{0}$ & $\phantom{+}0.466\pm0.014$ & $\phantom{+}0.465\pm0.013$ \\ 
        $b^{+}_{1}$ & $-0.89\pm0.13$ & $-0.81\pm0.05$ \\ 
        $b^{+}_{2}$ & $-0.21\pm0.55$ & $\phantom{+}0.03\pm0.32$ \\ 
      \hline
    \end{tabular}
\end{document}
