Table 4.

Endoscopic ultrasound accuracy of T and N stage of rectal cancer

Ref.	Pts no.	T Stage	N Stage	P/R	Tipe of EUS probe
Saitoh et al[13]	88	90%	75%	-	Flexible, radial, (7 MHz) Rigid, radial (5-7.5 MHz)
Feifel et al[14]	79	89%	-	P	Rigid, linear (3-7 MHz)
Yamashita et al[15]	122	78%	-	R	Rigid, linear (5.5-7 MHz)
Beynon et al[16]	100	93%	83%	-	Rigid
Rifkin et al[17]	102	72%	81%		Rigid, radial (7 MHz)
Hildebrandt et al[18]	113	-	78%	P	Rigid, radial (7 MHz)
Tio et al[19]	91	88%	-	-	Rigid
Katsura et al[20]	120	92%	-		Rigid, radial, (7 MHz)
Glaser et al[21]	154	86%	81%	P	Rigid, radial (7 MHz)
Herzog et al[22]	118	89%	80%	P	Rigid, radial (7 MHz)
Cho et al[23]	76	82%	70%	P	Flexible, radial (7 MHz)
Thaler et al[24]	36	88%	80%	P	Rotating wall transducer IR 1510 AKTM (Kretz) (5, 7.5, 10 MHz)
Nielson et al[25]	100	85%	-	-	Probe (7 MHz)
Sailer et al[26]	160	77%	83%	P	Rigid
Nishimori et al[27]	70	76%	69%		Flexible
Norton et al[28]	121	92%	65%	P	Flexible, radial (7.5-12 MHz)
Kim et al[29]	89	81%	63%		Rotating transducer (7.5 MHz)
Marone et al[30]	63	81%	70%	R	Flexible, radial (7.5-12 MHz)
Akasu et al[31]	154	96%	72%	R	Flexible, radial (7.5-12 MHz
Garcia-Aquilar et al[32]	545	69%	64%	P	Rigid, radial (7-10 MHz)
Harewood et al[12]	80	91%	82%	P	Flexible, radial (7.5-12 MHz)
Marusch et al[33]	422	63%	-	P	Rigid
Kauer et al[34]	458	69%	68%	R	Probe (7.5-10 MHz )
Vila et al[35]	120	83%	72%	P	Flexible, radial
Landman et al[36]	938	-	70%	P	Probe (10 MHz)
Halefoglu et al[37]	34	85%	76%	P	Probe (7-10 MHz)
Lin et al[38]	192	86%	78%	P	Flexible, radial (7.5-12 MHz)
Fernández-Esparrach et al[39]	90	95%	65%	P	Flexible, radial (5-20 MHz)
Ünsal et al[40]	31	80%	70%	R	Radial
Zhu et al[41]	110	91%	85%	-	Rigid, radial (5-10 MHz)
	4976
Mean		84	74
Range		63-96	63-85

uTN stage compared with pTN stage; no previous neoadjuvant therapy (NAT). P: Prospective; R: Retrospective; Pts: Patients; EUS: Endoscopic ultrasound.