Table 3. Sensitivity, Specificity, and Accuracy for Detection of SPLs on MDCT and MRI.

	Reviewer 1		P*	Reviewer 2		P*
	CT	MRI		CT	MRI
Detection of SPL per se
Sensitivity	92.7% (179/193)	97.9% (189/193)	0.031	90.7% (175/193)	99.5% (192/193)	< 0.001
PDAC	92.1% (117/127)	99.2% (126/127)	0.012	89.0% (113/127)	99.2% (126/127)	< 0.001
NET	95.3% (41/43)	93.0% (40/43)	1.000	95.3% (41/43)	100.0% (43/43)	0.500
SPT	100.0% (10/10)	100.0% (10/10)	-	100.0% (10/10)	100.0% (10/10)	-
Mass-forming AIP	71.4% (5/7)	100.0% (7/7)	0.500	71.4% (5/7)	100.0% (7/7)	0.500
Metastasis	100.0% (6/6)	100.0% (6/6)	-	100.0% (6/6)	100.0% (6/6)	-
Specificity	100.0% (52/52)	100.0% (52/52)	-	100.0% (52/52)	100.0% (52/52)	-
Accuracy	94.3% (231/245)	98.4% (241/245)	0.031	92.7% (227/245)	99.6% (244/245)	< 0.001
Detection of SPL in consideration of secondary features
Sensitivity	97.9% (189/193)	97.9% (189/193)	1.000	97.4% (188/193)	99.5% (192/193)	0.219
PDAC	99.2% (126/127)	99.2% (126/127)	1.000	98.4% (125/127)	99.2% (126/127)	1.000
NET	95.3% (41/43)	93.0% (40/43)	0.500	95.3% (41/43)	100.0% (43/43)	0.500
SPT	100.0% (10/10)	100.0% (10/10)	-	100.0% (10/10)	100.0% (10/10)	-
Mass-forming AIP	85.7% (6/7)	100.0% (7/7)	1.000	85.7% (6/7)	100.0% (7/7)	1.000
Metastasis	100.0% (6/6)	100.0% (6/6)	-	100.0% (6/6)	100.0% (6/6)	-
Specificity	96.2% (50/52)	98.1% (51/52)	1.000	100.0% (52/52)	100.0% (52/52)	-
Accuracy	97.6% (239/245)	98.0% (240/245)	1.000	98.0% (240/245)	99.6% (244/245)	0.219

^*p-value was obtained between CT and MRI using McNemar test. AIP = autoimmune pancreatitis, MDCT = multidetector computed tomography, NET = neuroendocrine tumor, PDAC = pancreatic ductal adenocarcinoma, SPL = solid pancreatic lesion, SPT = solid pseudopapillary tumor