Are Long Noncoding RNAs New Potential Biomarkers in Gastrointestinal Stromal Tumors (GISTs)? The Role of H19 and MALAT1

Table 3

Association between clinicopathological features and lncRNA MALAT1 expression levels.

Variable	MALAT1 expression level
	Higher	Lower
Patients
24	12	12
Mitotic rate
<5/50 HPF: 0
≥5/50 HPF: 6	6	1
Tumor size
<5 cm: 1	1
≥5 cm: 6	5	1
Tumor site
Stomach/small intestine: 9	5	4
Colon-rectum: 2		2
Risk classification (Miettinen’s criteria)
Low risk/very low risk: 4	2	2
Intermediate/high risk: 4	3	1
Onset
Localized: 14	6	8
Metastatic:10	5	5
Mutational analysis
Wild-type: 4	1	3
Mutated: 16		8