The Effects of Moxibustion on PD-1/PD-L1-Related Molecular Expression and Inflammatory Cytokine Levels in RA Rats

Table 2

Presentation of inflammatory cell infiltration.

Staging	Presentation of inflammatory cell infiltration	Score
Normal	Inflammatory cells are detected occasionally	0 (−)
Mild	Inflammatory cells are scattered or form lymphatic follicles	1∼2 (+∼++)
Moderate to severe	Inflammatory cells gather together; numerous fibroblasts and lymphocytes can be seen; macrophages cluster together	3∼4 (+++∼++++)