Fig. 2From: Combination of dirty mass volume and APACHE II score predicts mortality in patients with colorectal perforationComparison of dirty mass volume between the survivor and mortality groups. a Dirty mass volume was significantly larger in the mortality group than the survivor group. b ROC curve showed the highest peak at dirty mass volume of 96.3cm3, with 0.643 sensitivity and 0.864 specificityBack to article page