Fig. 2From: Coagulative safety of epidural catheters after major upper gastrointestinal surgery: advanced and routine coagulation analysis in 38 patientsCorrelations between routine, viscoelastic and advanced tests of coagulation and CRP. Blue: vitamin K-dependent factor. Yellow: significant correlation. *P < 0.05. **P < 0.01. Dashed line: only one of Spearman and Pearson’s tests is significant, the other is slightly more than P = 0.05Back to article page