Research Article

Coexpression of Matrix Metalloproteinase-7 and Tissue Inhibitor of Metalloproteinase-1 as a Prognostic Biomarker in Gastric Cancer

Table 2

Association between the clinicopathological characteristics and prognosis of patients with gastric carcinoma.

Variables5-year survival (%)MST (months)Log-rank

Sex0.54
Male41.535.2
Female37.326.2

Age<0.01
<7045.442.2
≥7026.924.3

T stage<0.01
T150.050.3
T277.148.8
T352.369.3
T423.922.3

N stage<0.01
N071.975.2
N158.272.2
N238.627.3
N320.217.1

Differentiation<0.01
Middle58.672.2
Low35.926.9

Type0.25
Adenocarcinoma and others42.331.4
Signet-ring cell25.628.2

Size0.08
<5 cm45.442.6
≥5 cm38.626.9

Lymph vascular invasion<0.01
No57.072.18
Yes35.826.94

Neural invasion<0.01
No64.383.15
Yes31.824.48

Chemotherapy<0.01
No32.422.28
Yes51.183.15

MMP-70.39
41.935.58
+37.824.81

TIMP-10.71
41.535.15
+38.127.27

TIMP-1&MMP-70.18
Both −41.730.82
−/+ or +/−41.942.09
Both +30.017.38

TIMP-1&MMP-70.07
Not both +41.737.19
Both +30.017.38

Mean survival time was provided when MST could not be calculated; MST: median survival time, months; −: negative expression; +: positive expression; both −: patients whose tumour tissue expressed neither MMP-7 nor TIMP-1; −/+: patients whose tumour tissue expressed only TIMP-1; +/−: patients whose tumour tissue expressed only MMP-7; both +: patients whose tumour tissue expressed both MMP-7 and TIMP-1.