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Table 1 Semi-quantitative evaluation of structural changes in IFP: Cellularity

From: Time course analyses of structural changes in the infrapatellar fat pad and synovial membrane during inflammation-induced persistent pain development in rat knee joint

Score 0 1 2 3
Perivascular Normal Slightly increased Moderately increased Markedly increased
IFP body Normal Slightly increased Moderately increased Markedly increased
IFP surface Single cell layer 2~3 Cell layers 4~5 Cell layers  6 Cell layers (6 or more)