Table 2.

Summary of the changes in the decision-making of radiologists before and after AI assistance

	Reader number	True negative	True positive	CP ↓ PDACa	PDAC ↓ CPb	Sensitivity (%)	Specificity (%)
Internal validation cohort	1	33→28	52→70↑	23	0	71.2→95.9↑*	91.7→77.8
	2	19→27↑	65→73↑	9	9	89.0→100.0↑*	52.8→75.0↑*
	3	22→27↑	70→73↑	3	5	95.9→100.0↑	61.1→75.0↑
	4	32→33↑	63→69↑	6	1	86.3→94.5↑*	88.9→91.7↑
	5	22→33↑	58→64↑	5	13	79.5→84.2↑	61.1→91.7↑*
External validation cohort 1	1	5→8↑	34→36↑	4	5	87.2→92.3↑	45.5→72.7↑
	2	8→8	31→34↑	4	1	79.5→87.2↑	72.7→72.7
	3	10→10	33→35↑	2	0	84.6→89.7↑	90.9→90.9
	4	10→10	33→36↑	3	0	84.6→92.3↑	90.9→90.9
	5	8→9↑	28→33↑	9	5	71.8→84.6↑	72.7→81.8↑
External validation cohort 2	1	7→7	31→35↑	6	2	81.6→92.1↑	70.0→70.0
	2	6→6	32→35↑	3	0	84.2→92.1↑	60.0→60.0
	3	9→8	31→35↑	7	2	81.6→92.1↑	90.0→80.0
	4	6→8↑	34→36↑	2	2	89.5→94.7↑	60.0→80.0↑
	5	7→4	29→36↑	13	3	76.3→94.7↑*	70.0→40.0

The upward arrow (↑) represents indicators that improved owing to AI assistance

PDAC pancreatic ductal adenocarcinoma, CP chronic pancreatitis, AI artificial intelligence

*P<.05

^aNumber of patients for whom the radiologists altered their decision from CP to PDAC

^bNumber of patients for whom the radiologists altered their decision from PDAC to CP