Table 3.

Pathological feature of synovial membranes

Group (n = 8)	Neutrophil infiltration	Lymphocyte infiltration	Plasma cell infiltration	Synovial cell proliferation	Proliferation of fibrous tissue
Healthy	0	0	0	0	0
Arthritic	1.00 ± 0.46	1.63 ± 0.35	1.81 ± 0.26	1.69 ± 0.37	1.38 ± 0.44
BQ high dose	0.56 ± 0.32	1.00 ± 0.53*	1.00 ± 0.53**	1.19 ± 0.26	0.94 ± 0.42
BQ moderate dose	0.44 ± 0.32*	0.56 ± 0.32***	0.69 ± 0.26****	1.13 ± 0.52*	0.75 ± 0.27*, &
MTX	0.50 ± 0.38	1.06 ± 0.42	0.75 ± 0.38****	0.94 ± 0.32**	1.31 ± 0.37

Data are presented as mean ± SD

BQ Bi-Qi capsule, MTX methotrexate

Significant effect of treatment compared to arthritic group, *P < 0.05, ^**P < 0.01, ^***P < 0.001, ^****P < 0.0001; compared to MTX-group, ^&P < 0.05