Prognostic significance of PTEN, Ki-67 and CD44s expression patterns in gastrointestinal stromal tumors

Table 1 Clinical and pathological parameters in 155 cases of gastrointestinal stromal tumor

	In general	Gastric GIST	Small intestinal GIST
Total case	153	81	72
Followed-up cases	104	62	42
Age (yr)
< 50	38	14	24
≥ 50	64	46	18
Gender
Male	72	41	31
Female	30	19	11
Tumor size (cm)
< 2	1	1	0
2.1-5	31	20	11
5.1-10	46	29	17
> 10	24	10	14
Mitotic index
≤ 5/50HPF	54	31	23
5-10/50HPF	15	9	6
> 10/50HPF	33	20	13
Risk grade
Very low risk	2	2	0
Low risk	23	14	9
Intermediate Risk	28	17	11
High risk	49	27	22
Recurrence	22	8	14
Metastasis	15	7	8
Survival rate (%)
3-yr disease specific	76.64 ± 9.38	80.77 ± 11.50	73.65 ± 14.24
5-yr disease specific	69.05 ± 11.18	66.51 ± 17.06	61.76 ± 18.30

GIST: Gastrointestinal stromal tumor.