Does the use of computed tomography scenogram alone enable diagnosis in cases of bowel obstruction?

Table 6 Concordance of the segmentation diagnoses of the observers with the final diagnosis in the second scenogram, n (%)

	Mechanical obstruction segment by final diagnosis			Specificity, %	Sensitivity, %	PPV, %	NPV, %	Accuracy, %
	Large	Small	Total
I Observer
Large	12 (85.7)	10 (31.3)	22 (47.8)	85.71	68.75	54.50	91.68	73.91
Small	2 (14.3)	22 (68.8)	24 (52.2)
II Observer
Large	9 (64.3)	12 (37.5)	21 (45.7)	64.29	62.50	42.82	80.03	63.04
Small	5 (35.7)	20 (62.5)	25 (54.3)
III Observer
Large	13 (92.9)	6 (18.8)	19 (41.3)	92.86	81.25	68.39	96.30	84.78
Small	1 (7.1)	26 (81.3)	27 (58.7)
Total	14 (30.4)	32 (69.6)	46 (100)