Table 1 Matrix metalloproteinase 8 (MMP-8) expression patterns in neoadjuvant therapy (NAT) and up-front surgery groups. Linear-by-linear test* was used for ordinal variables and Chi square test was applied for categorical variables. P-value < 0.05 was considered significant.

From: The prognostic significance of MMP-8 tissue Immunoexpression in pancreatic ductal adenocarcinoma after neoadjuvant therapy

 

Up-front surgery

(n = 141)

NAT

(n = 113)

p-value

MMP-8 expression

0 = non-detectable

6 (4.3)

2 (1.8)

 

1 = low

22 (15.6)

34 (30.1)

 

2 = moderate

65 (46.1)

33 (29.2)

 

3 = high

48 (34.0)

44 (38.9)

0.663*

MMP-8 low vs. high

Low expression

28 (19.9)

36 (31.9)

 

High expression

113 (80.1)

77 (68.1)

0.029

MMP-8 negative vs. positive

Negative expression

6 (4.3)

2 (1.8)

 

Positive expression

135 (95.7)

111 (98.2)

0.260

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