Comparison of a novel bedside portable endoscopy device with nasogastric aspiration for identifying upper gastrointestinal bleeding

Table 3 Procedural results of EG scan and nasogastric tube aspiration n (%)

	Patients n = 129
	EG scan	NG tube aspiration	P value
Procedure time, mean ± SD, min	5.49 ± 2.33
Examiner
Endoscopist	24 (18.6)	0
Non-endoscopist	105 (81.4)	129 (100)
Insertion to stomach	128 (99.2)	129 (100)
Insertion to duodenum	4 (3.1)
Main findings
Blood	59 (45.7)	75 (58.1)	0.061
Food material	27 (20.9)	12 (9.3)	0.014
Esophageal lesions1	41 (31.8)
Stomach lesions1	9 (7.0)
Duodenal lesions	0
Adverse effects
Nasal pain	60 (46.5)	40 (31)	0.015
Nausea	26 (20.1)	5 (3.9)	< 0.001
Epistaxis	11 (8.5)	28 (21.7)	0.005
Cough	9 (6.9)	11 (8.5)	0.817
Others	1 (0.7)	2 (1.6)	1.000

¹Esophageal lesions: varices 26, ulcers 6, erosions 15 (6 patients had multiple lesions); stomach lesions: ulcers 3, erosions 6. NG: Nasogastric.