Table 3.

Correlations between serum CMTM6, PD-L1, and PD-1 levels and clinical parameters

	CMTM6		PD-L1		PD-1
	r	P	r	P	r	P
LY (X ± SD, 109/l)	−0.341	0.015	−0.295	0.038	−0.318	0.024
CD3+T cell (X ± SD, 109/l)	−0.397	0.004	−0.239	0.094	−0.358	0.011
CD4+T cell (X ± SD, 109/l)	−0.350	0.013	−0.148	0.304	−0.355	0.018
CD8+T cell (X ± SD, 109/l)	−0.349	0.013	−0.312	0.027	−0.438	0.001
IgG (g/l)	0.349	0.013	0.359	0.010	0.44	0.001
IgA (g/l)	0.187	0.194	0.142	0.325	0.345	0.014
IgM (g/l)	−0.167	0.246	0.186	0.195	0.022	0.878
ESR (mm/h)	0.359	0.010	0.351	0.013	0.319	0.024
ESSDAI	0.386	0.006	0.315	0.026	0.335	0.017

Spearman Correlation and Person Correlation were used to access P value.