Table 2.

Comparison of grading of complexity of upper gastrointestinal endoscopic procedures between two groups

Grade	Group		Total	P
	GLT	ETT
I	2	1	3	0.410
II	12	9	21
III	16	18	34
IV	0	2	2
Total	30	30	60

P<0.05 considered significant. Values in group represent the numbers. GLT=Gastro-laryngeal tube, ETT=Endotracheal intubation