Challenges in diagnosing mesenteric ischemia

Table 1 Sensitivity, specificity and likelihood ratios for laboratory findings classically associated with mesenteric ischemia

Marker	Sensitivity	Specificity	Positive likelihood-ratio	Positive likelihood-ratio
			(95%CI)	(95%CI)
WBC count1	0.80	0.50	1.57 (1.07, 2.27)	0.41 (0.20, 0.83)
pH1	0.38	0.84	2.49 (0.82, 7.51)	0.71 (0.45, 1.14)
D-dimer1	0.89	0.40	1.48 (1.28, 1.71)	0.30 (0.14, 0.64)

¹Evennett et al[19]. WBC: White blood cell.