Table 4.

Correlation analysis of SPARC and VEGF expression with MVD

Protein expression	MVD(\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	40.35 ± 8.35	32.04	−3.26	0.001
Low	50.15 ± 14.33	48.96
VEGF
positive	49.13 ± 12.95	48.75	−4.45	<0.001
negative	37.63 ± 7.73	24.31