Table 3.

Estimates of sensitivity and specificity at different threshold values for HAEC score described by Pastor et al.^* on predicting the presence versus absence of HAEC episodes.

Cut-off value (≥ versus <)	Sensitivity (exact 95% CI) (%)	Specificity (exact 95% CI) (%)	Area under the ROC curve (AUC) (95% CI)
1	86.05 (72.07–94.70)	94.52 (86.56–98.49)	0.903 (0.844–0.962)
2	86.05 (72.07–94.70)	95.89 (88.46–99.14)	0.910 (0.852–0.967)
3	83.72 (69.30–93.19)	97.26 (90.45–99.67)	0.905 (0.846–0.964)
4	83.72 (69.30–93.19)	98.63 (92.60–99.97)	0.912 (0.854–0.969)
5	81.40 (66.60–91.60)	98.63 (92.60–99.97)	0.900 (0.840–0.961)
6	74.42 (58.83–86.48)	98.63 (92.60–99.97)	0.865 (0.798–0.933)
7	65.12 (49.07–78.99)	98.63 (92.60–99.97)	0.819 (0.745–0.892)
8	60.47 (44.41–75.02)	98.63 (92.60–99.97)	0.796 (0.720–0.871)
9	55.81 (39.88–70.92)	100.00 (95.07–100)	0.779 (0.704–0.854)
10 (established cut-off value)	41.86 (27.01–57.87)	100.00 (95.07–100)	0.709 (0.635–0.784)
11	27.91 (15.33–43.67)	100.00 (95.07–100)	0.640 (0.572–0.707)
12	18.61 (8.39–33.40)	100.00 (95.07–100)	0.593 (0.534–0.652)
13	13.95 (5.30–27.93)	100.00 (95.07–100)	0.570 (0.517–0.622)
14	6.98 (1.46–19.06)	100.00 (95.07–100)	0.535 (0.496–0.573)

^*HAEC score described by Pastor et al. [4] = 2 × distended abdomen +2 × diarrhea with explosive stool +2 × diarrhea with foul smelling stool + lethargy +2 × explosive discharge of gas and stool on rectal exam + fever + dilated loops of bowel on AXR + leukocytosis + decreased peripheral perfusion + multiple air fluid levels + previous history of suspected enterocolitis + left shift on complete blood count + diarrhea with bloody stool + cutoff sign in rectosigmoid region + sawtooth appearance with irregular.

Mucosal Lining + Pneumatosis intestinalis.