Table 2.

Linear mixed effect model for serum IgG level during RTX/OCR in the two cohorts.

Predictors	Serum IgG level
	Estimates	CI	p
(Intercept)	11.21	10.66–11.76	<0.001
Centre [EID cohort]	−1.32	−1.81–−0.84	<0.001
Delay since RTX/OCR initiation	−0.33	−0.40–−0.27	<0.001
Age	−0.02	−0.02–−0.01	<0.001
SEX [M]	−0.36	−0.58–−0.14	0.002
Centre [EID cohort] ​× ​delay since RTX/OCR initiation	0.15	0.06–0.23	0.001