Table 3. Differences in pathologic, mutational and mRNA levels in gene expression groups.

Groups	Location	Cell type	DOG1 staining	Mutational state	KIT Expression
I (n = 13)	Gastric: 11	Epithelioid: 10	Positive: 9	PDGFRA: 6	: 23.46
	Others: 2	Others: 3	Negative: 0	KIT: 2	High: 13/13
			N/A: 4	Wild Type: 5	Low: 0/13
II (n = 19)	Gastric: 4	Epithelioid: 4	Positive: 1	PDGFRA: 1	: 1.76
	Others: 15	Others: 15	Negative: 17	KIT: 5	High: 3/19
			N/A: 1	Wild Type: 13	Low: 16/19
					p < 0.001
Groups	PDGFRA	DOG1	IGF1R	MIR221	MIR222
	Expression	Expression	Expression	Expression	Expression
I (n = 13)	$\tilde{\mathbf{X}}$: 2.96	$\tilde{\mathbf{X}}$: 111.97	$\tilde{\mathbf{X}}$: 0.44	$\tilde{\mathbf{X}}$: 0.02	$\tilde{\mathbf{X}}$: 3.16
	High: 11/13	High: 13/13	High: 4/13	High: 4/11	High: 2/10
	Low: 2/13	Low: 0/13	Low: 9/13	Low: 7/11	Low: 8/10
II (n = 19)	$\tilde{\mathbf{X}}$: 0.26	$\tilde{\mathbf{X}}$: 2.02	$\tilde{\mathbf{X}}$: 0.98	$\tilde{\mathbf{X}}$: 0.09	$\tilde{\mathbf{X}}$: 9.14
	High: 5/19	High: 3/19	High: 12/19	High: 11/18	High: 11/17
	Low: 14/19	Low: 16/19	Low: 7/19	Low: 7/18	Low: 6/17
	p = 0.005	p < 0.001	p = 0.018	p = 0.15	p = 0.11

N/A: Not Available. $\tilde{\mathbf{X}}$: Median.