Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 28, 2011; 17(16): 2109-2112
Published online Apr 28, 2011. doi: 10.3748/wjg.v17.i16.2109
Table 1 Serum matrix metalloproteinase-1 and tissue inhibitor of metalloproteinase-1 levels in patients and controls
VariablesControls (n = 50)Patients (n = 100)P
Age (yr)56 (48-65)58 (47-64)
Gender female (%)3740
MMP-1 (ng/mL)256 (109-342)785 (457-900)< 0.0001
TIMP-1 (ng/mL)220 (198-267)725 (417-1134)< 0.0001
Table 2 Clinicopathological variables of serum matrix metalloproteinase-1 and tissue inhibitor of metalloproteinase-1 in patients
VariablesMMP-1TIMP-1P
Lymphovascular invasion
Negative543 (500-678)489 (450-573)
Positive801 (768-845)642 (567-703)< 0.001
Tumor size (cm)
< 4478 (460-501)429 (425-479)
≥ 4675 (509-725)671 (532-690)< 0.001
Lymph node metastasis
Negative563 (503-650)642 (598-709)
Positive742 (657-799)756 (570-876)< 0.001
T stage
T0-2521 (498-599)598 (564-783)
T3-4674 (578-783)749 (570-794)< 0.001
TNM stage
 I469 (458-502)476 (423-512)
II534 (467-563)521 (478-589)
III714 (546-857)753 (512-699)< 0.001
IV765 (699-900)975 (812-1134)< 0.001