Mucosal imaging in colon polyps: New advances and what the future may hold

Table 4 Studies on the accuracy of AI for polyp histology prediction

Ref.	Study type	Imaging modality	Number of patients/polyps	Sensitivity	Specificity	NPV	Accurate surveillance interval
Kominami et al[209], 2016	Retrospective	NBI	41 patients, 118 polyps	93%	95%	93%	92.7%
Chen et al[210], 2018	Retrospective	NBI	284 polyps	96%	78%	90%	-
Mori et al[211], 2018	Prospective	NBI	325 patients, 466 polyps	93%	90%	95%	-
Renner et al[212], 2018	Retrospective	WLI, NBI	100 polyps	92%	63%	90%	-
Byrne et al[213], 2019	Retrospective	NBI	125 polyps	98%	83%	97%	-
Min et al[214], 2019	Prospective	LCI	91 patients, 217 polyps	83%	70%	71%	-
Sánchez-Montes et al[206], 2019	Retrospective	WLI	225 polyps	92%	89%	87%	-
Horiuchi et al[215], 2019	Prospective	AFI	95 patients, 258 polyps	80%	95%	93%	-
Ozawa et al[216], 2020	Retrospective	WLI, NBI	309 polyps	97% for NBI, 90% for WLI	-	91% for NBI, 85% for WLI	-
Jin et al[205], 2020	Retrospective	NBI	300 polyps	83%	90%	94%	-
Zacharia et al[208], 2020	Retrospective	WLI, NBI	524 polyps	96%	90%	93%	94%
Rodriguez-Diaz et al[217], 2021	Retrospective	NBI	119 patients, 280 polyps	96%	84%	91%	94%
Van der Zander et al[218], 2021	Retrospective	WLI, BLI	54 patients, 60 polyps	96%	93%	88%	-
Yoshida et al[220], 2021	Retrospective	BLI	25 patients, 100 polyps	91%	85%	92%	-
Sakamoto et al[219], 2022	Retrospective	WLI, BLI	604 polyps	96% for WLI, 96% for BLI	84% for WLI, 89% for BLI	-	-

NBI: Narrow-band imaging; NPV: Negative predictive value; BLI: Blue light imaging; WLI: White light imaging; LCI: Linked colour imaging.