Correlation between Tissue Characterization and Dynamic Expression of Matrix Metalloproteinase-2 and Its Tissue Inhibitor in Conjunctival Filtering Bleb of Rats

Table 2

Dynamic observation of survival time about filtration surgery in rats.

Postoperative days	Cases	Functional blebs	Survival rates (%)
1	54	54	100
3	45	45	100
5	36	36	100
7	27	21	77.7
14	18	4	22.2
28	9	0	0