Table 5.

Correlation analysis of SPARC and Ki-67 expression

Protein expression	Ki-67(\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \overline x \pm s $$\end{document})	mean rank	Z	P
SPARC
high	24.62 ± 8.52	35.36	−1.978	0.048
Low	28.41 ± 8.29	45.64