Unsedated ultrathin upper endoscopy is better than conventional endoscopy in routine outpatient gastroenterology practice: A randomized trial

Table 4 Results of the endoscopists’ evaluation of the performances of endoscopes

	TN-EGD(n = 41)	TO-EGD(n = 40)	C-EGD(n = 51)	P
Endoscopists’ score (mean ± SD)
Image quality	87.85 ± 14.34	89.57 ± 11.00	91.98 ± 11.85	NS
Suction	81.90 ± 9.98	84.82 ± 11.82	94.37 ± 7.49	< 0.001
Air insufflation/washing of the lens	83.90 ± 13.70	85.80 ± 13.34	94.76 ± 6.49	< 0.001
Reaching of the second portionof the duodenum, n (%)	41 (100)	40 (100)	51 (100)	NS
Adequate biopsy sampling, n (%)	19/19 (100)	16/16 (100)	24/24 (100)	NS