Efficacy of endoscopic ultrasound in the evaluation of small gastrointestinal stromal tumors

Table 3 Comparisons of clinicopathological and endoscopic ultrasonographic features between ≤ 1.48 cm and > 1.48 cm groups

Characteristic	Tumor size
	≤ 1.48 cm group	> 1.48 cm group	P value
Age (year)	57.3 ± 8.6	58.2 ± 8.4	0.49
Sex			0.368
Men	59	10
Women	149	38
Tumor location			0.01
Fundus	168	32
Body	34	10
Antrum	4	2
Cardia	2	4
Mitotic index (/50 HPFs)			< 0.001
≤ 5	207	41
>5	1	7
Positive EUS features1			0.002
Yes	65	25
No	143	23

¹Marginal irregularity, cystic changes, ulcers, strong echo foci, and heterogeneity. EUS: Endoscopic ultrasound; HPF: High power field.