Expression of matrix metalloproteinase-1 and tumor necrosis factor-α in ulcerative colitis

Table 4 Expression of MMP-1 and TNF-α protein in samples from UC patients with different severity of the disease

Samples	MMP-1	TNF-α	P value
Mild type	0.0749 ± 0.0032	0.0724 ± 0.0043	< 0.05ace
Moderate type	0.0812 ± 0.0030	0.0840 ± 0.0036	< 0.05ae
Severe type	0.0915 ± 0.0044	0.0932 ± 0.0019	< 0.05e
Normal controls	0.0048 ± 0.0016	0.0029 ± 0.0021

(mean ± SD)

^aP < 0.05 vs moderate type;

^cP < 0.05 vs severe type;

^eP < 0.05 vs normal controls.