Day 30 CD19+ naive B cells
Predictor	Beta (Unstd.)	SE	Beta (Std.)	95% CI (lower, upper)	p-value
Intercept	−0.51	4.09	–	−11.01, 9.99	0.906
Sexa	−0.694	0.863	−0.379	−2.912, 1.523	0.457
Age at ublituximab start years	0.007	0.040	0.083	−0.097, 0.110	0.878
BMI (kg/m2)	0.044	0.141	0.148	−0.319, 0.406	0.769
No. of previous DMTs	−0.269	0.319	−0.365	−1.089, 0.550	0.437
Gadolinium-enhancing lesions at baseline MRI	−0.438	1.164	−0.192	−3.430, 2.553	0.722

Model statistics: R² = 0.239; adjusted R² = −0.522; F(5, 5) = 0.31; p = 0.885.

BMI, body mass index; DMT, disease-modifying therapies; MRI, magnetic resonance imaging; No., number.

^aMale as reference.