Using typical endoscopic features to diagnose esophageal squamous papilloma

Table 1 Basic demographic and endoscopic features between squamous papilloma of the esophagus patients and the other diagnostic groups

Characteristic	SPE		Others		P value
	(n = 24)		(n = 17)
Age (yr)	48	(26-68)	53.3	(27-70)	0.197
Gender					0.014
Male	4	16.6%	9	53.9%
Female	20	82.7%	8	47.1%
Lesion character					0.383
Location (upp/med/inf)	5/13/6	21/54/25%	10/6/2001	5.9/58.8/35.3%
Size (mm)	3.8	(2-8)	3.2	(2-5)	0.098
Single lesion	22	92.0%	14	82.4%	0.369
Reason for EGD					0.533
Epigastric pain	15	62.5%	13	76.5%
Dysphagia	1	4.3%	1	5.9%
Acid regurgitation and/or heart burn	8	33.3%	3	17.6%

SPE: Squamous papilloma of the esophagus; EGD: Esophagogastroduodenoscopy.