Table 1.

Mean (T _mean ) and standard deviation (T _SD ) of the brightness values after digital image analysis of gastric mesenchymal tumors according to the histopathologic diagnosis

	GIST (n = 50)	Leiomyoma (n = 6)	Schwannoma (n = 9)	( p- value)*
Tmean (mean ± SD)	82.8 ± 22.5	39.8 ± 18.9	47.0 ± 12.0	0.000
T†	a	b	b
TSD (mean ± SD)	83.5 ± 14.4	54.3 ± 21.7	58.3 ± 17.5	0.000
T†	a	b	b

GIST gastrointestinal stromal tumor.

*Statistical significance was tested using one-way analysis of variance.

^†The same letters indicate a non-significant difference between groups using Tukey’s multiple comparison test.