Levels of IL-6 , CRP , sIL-6R , sgp130 , MCP-1 , IL-8 , MMP-9 , sICAM-1 , sVCAM-1 and TNF - were measured at inclusion ( median 22 h , interquartile range ( IQR ) 14 , 29 after PCI ) , on day 1 , day 2 , day 5 and 6 weeks .