Figure 2.

ROC curves for WBC count, CRP, and IL-6. Curves a) represent discrimination between NSAP (group 1) and perforative appendicitis (group 4), b) group 1 and cases requiring immediate surgery (groups 3 and 4), c) early appendicitis (group 2) and group 4, d) group 2 and groups 3 and 4, e) phlegmoneous (group 3) und perforative (group 4) appendicitis, and f) cases not requiring immediate surgery (groups 1 and 2) against groups 3 and 4.

Sack et al. BMC Surgery 2006 6:15   doi:10.1186/1471-2482-6-15
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