Value of enhanced computed tomography in differentiating small mesenchymal tumours of the gastrointestinal from smooth muscle tumours

Table 1 Gastric mesenchymal and smooth muscle tumours on plain gastroscopy and endoscopic ultrasound

Clinical parameters	Intragastric mesenchymal tumour	Smooth muscle tumour
Male	24 (48.0)	22 (44.0)
Female	26 (52.0)	28 (56.0)
Age, yr	50.5 ± 14.0a	57.9 ± 9.5
Location, %
Cardia	0	1 (2.0)
Gastric base	26 (52.0)	12 (24.0)
Gastric body	18 (36.0)	11 (22.0)
Gastric sinus	9 (18.0)	2 (4.0)
Diameter, mm	16.2 ± 9.9a	9.7 ± 5.0
Level of origin, %
Mucosal muscle layer	2 (3.8)	1 (2.0)
Inherent muscle layer	48 (96.0)	25 (50.0)
Indicated ulcers, %
Yes	6 (12.0)	2 (4.0)
None	47 (94.0)	24 (48.0)
Echo characteristics, %
Low echo	50 (100)	47 (94.0)
Waiting for an echo	0	1 (2.0)
High echo		0
Echo uniformity, %
Uniformity	25 (49.1)a	50 (100)
Non-homogeneous	27 (50.0)a	0

^aP < 0.05 compared with the gastric mesenchymal tumour group.