VARIABLES SERUM c-KIT p-value
NEGATIVE POSITIVE
Age
<55 years 2 0 NS
≥55 years 0 25
Gender
Male 2 14 NS
Female 0 11
Location
Stomach 2 16 NS
Small intestine 0 8
Colon 0 1
Tumor size
≤2 cm 2 0 NS
>2 cm 0 25
Histological type
Spindle cells 1 18 NS
Epithelioid cells 1 7
TNM stage
I/II/III 2 21 NS
IV 0 4
Table 3: Association between the preoperative levels of serum c-Kit and clinicopathological factors of the patients with GISTs Associations between the preoperative levels of serum c-Kit and clinicopathological factors of the patients with GISTs were examined with the t-test. Clinicopathological variables include age, gender, location, tumor size, histological type and TNM stage. NS, Not significant (p<0.05)