Comparison of urine concentrations of interleukin 8 (IL-8), matrix metallopeptidase 9 (MMP-9), Syndecan and bladder tumor antigen (BTA) between the cancer and non-cancer groups. Median levels are depicted by horizontal lines. Significance (p < 0.05) was assessed by the Wilcoxon rank sum test.
Urquidi et al. BMC Urology 2012 12:12 doi:10.1186/1471-2490-12-12