I think Lp-PLA2 was independent of CRP. A few readings when you have the time: http://www.biomedsearch.com/attachments/00/17/31/94/17319459/vhrm0202-153.pdf http://www.mdpi.com/1424-8247/3/5/1360/pdf http://content.onlinejacc.org/cgi/content/full/51/9/913