Table 2.

Univariate and multivariate logistic regression analyses of B cell signatures in the prediction of the responses to anti-PD-1 monotherapy.

Factors	Univariate (Kaplan–Meier test)		Multivariate (Logistic regression)
	P value	HR (95% CI)	P value	HR (95% CI)
CD19+ B cells	0.002	2.97 (1.52-5.84)	0.188
IgM+ B cells	0.004	2.63 (1.36-5.10)	0.378
IgM+ Mature B cells	0.012	2.33 (1.21-4.50)	0.633
IgM+ Memory B cells	0.003	2.72 (1.39-5.30)	0.002	1.07 (1.03-1.12)
IgM+ tBreg cells	0.004	2.68 (1.38-5.20)	0.073
IgM+ Plasmablasts	0.008	2.44 (1.27-4.70)	0.667