Table 2.

Patient baseline features and endosonographic characteristics

	Leiomyoma (n = 38)	GIST (n = 67)	P value
Gender
Male	15	30	0.597
Female	23	37
Age (yr, mean ± SD)	51.73 ± 11.16	58.83 ± 8.52	0.001b
Tumor size (cm)
Median	1.00 ± 0.44	1.22 ± 0.22	0.057
Range	0.6-2.5	0.4-3
Intragastric location
Gastric antrum	2	5	0.525
Gastric body	6	16
Gastric fundus	30	46
Distribution in the gastric fundus
Proximal to cardia	24	14	< 0.001d
Distal to cardia	6	32
Site within gastric wall
Muscularis mucosae	0	1	0.449
Muscularis propria	38	66
Sonographic characteristics
Homogenous	36	50	0.010d
Hetrogenous with hyperechogenic spots	2	17
Echogenicity in comparison with the surrounding muscle echo
Isoechoic	38	54	0.004b
Hyperechoic	0	13
Margin of the tumor
Regular	37	61	0.212
Irregular	1	6

^bP < 0.01,

^dP < 0.001, leiomyoma group vs GIST group. GIST: Gastrointestinal tumor.