\documentclass[12pt,a4paper]{article}
\begin{document}
\begin{table}[ht]
\begin{center}
\caption{All statistics are based on contigs of size $\geq$ 500 bp, unless otherwise noted (e.g., "\# contigs ($\geq$ 0 bp)" and "Total length ($\geq$ 0 bp)" include all contigs).}
\begin{tabular}{|l*{1}{|r}|}
\hline
Assembly & genome.nextpolish \\ \hline
\# contigs ($\geq$ 0 bp) & 355 \\ \hline
\# contigs ($\geq$ 1000 bp) & 355 \\ \hline
\# contigs ($\geq$ 5000 bp) & 295 \\ \hline
\# contigs ($\geq$ 10000 bp) & 167 \\ \hline
\# contigs ($\geq$ 25000 bp) & 56 \\ \hline
\# contigs ($\geq$ 50000 bp) & 32 \\ \hline
Total length ($\geq$ 0 bp) & 6950715 \\ \hline
Total length ($\geq$ 1000 bp) & 6950715 \\ \hline
Total length ($\geq$ 5000 bp) & 6727172 \\ \hline
Total length ($\geq$ 10000 bp) & 5748338 \\ \hline
Total length ($\geq$ 25000 bp) & 4112817 \\ \hline
Total length ($\geq$ 50000 bp) & 3328563 \\ \hline
\# contigs & 355 \\ \hline
Largest contig & 376950 \\ \hline
Total length & 6950715 \\ \hline
GC (\%) & 44.30 \\ \hline
N50 & 40797 \\ \hline
N90 & 8116 \\ \hline
auN & 83649.6 \\ \hline
L50 & 36 \\ \hline
L90 & 223 \\ \hline
\# N's per 100 kbp & 0.00 \\ \hline
Complete BUSCO (\%) & 0.00 \\ \hline
Partial BUSCO (\%) & 0.00 \\ \hline
\# predicted rRNA genes & 26 + 4 part \\ \hline
\end{tabular}
\end{center}
\end{table}
\end{document}
