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. 2021 Jan 18;14(1):26–31. doi: 10.18240/ijo.2021.01.04

Table 2. Paired comparison of MMP-2 and TIMP-1 content in rabbit corneal stroma at different time points after CXL.

Variables Day 0-3 Day 0-7 Day 0-15 Day 0-30 Day 0-90 Day 0-180 Day 3-7 Day 3-30 Day 3-90 Day 3-180 Day 7-90 Day 7-180 Day 30-90
MMP-2 0.001 0.000 0.001 0.002 b b b b 0.016 b 0.000 0.001 0.033
TIMP-1 0.000 0.001 0.033 b b b b 0.023 0.000 0.001 0.000 0.005 b
MMP-2/TIMP-1 b b b 0.011 0.008 0.023 0.033 0.005 0.003 0.011 b b b

MMP: Matrix metalloproteinase; TIMP: Tissue inhibitors of matrix metalloproteinase; CXL: Corneal cross-linking; Day 0: Before CXL. bP>0.05. Statistical results of paired comparison with P>0.05 were not listed in the table.

P values