Endoscopic assessment of rectal cancer response after neoadjuvant chemoradiotherapy: A narrative literature review

Table 2 Quality assessment of studies using Quality Assessment of Diagnostic Accuracy Studies-2

Ref.	Risk of bias				Applicability concerns
	Patient selection	Index test	Reference standard	Flow and timing	Patient selection	Index test	Reference standard
Lim et al[15]	High risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Chino et al[12]	High risk	Unclear risk	Unclear risk	Low risk	High risk	High risk	Unclear risk
Bengulescu et al[16]	High risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Wang et al[17]	High risk	Low risk	Unclear risk	Low risk	Low risk	Low risk	Unclear risk
Ishioka et al[14]	High risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Kawai et al[18]	High risk	Unclear risk	Low risk	Low risk	Low risk	High risk	Low risk
Van Der Sande et al[19]	High risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Haak et al[13]	High risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Felder et al[20]	High risk	Unclear risk	Low risk	High risk	Low risk	Unclear risk	Low risk
Williams et al[9]	High risk	Low risk	Unclear risk	High risk	Low risk	Unclear risk	Unclear risk
Williams et al[10]	High risk	Unclear risk	Unclear risk	High risk	Low risk	Unclear risk	Unclear risk
Chen et al[21]	High risk	Unclear risk	Unclear risk	Low risk	Low risk	High risk	Unclear risk
Sohn et al[22]	High risk	Unclear risk	Low risk	Low risk	Low risk	Low risk	Low risk
Han et al[23]	High risk	Low risk	Unclear risk	Low risk	Low risk	Low risk	Unclear risk
Thompson et al[11]	High risk	High risk	High risk	High risk	Low risk	High risk	High risk