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. 2022 Mar 1;28(10):1576–1590. doi: 10.1177/13524585221079731

Table 4.

Low serum levels (below the LLN at least once) for IgG and IgM (safety analysis set).

Overall safety population (N = 1969) Continuous ofatumumab group (n = 1292) Newly switched ofatumumab group (n = 677)
Low IgG, n (%)
 <5.65 g/L 30 (1.5) 22 (1.7) 8 (1.2)
Low IgM, n (%)
 <0.40 g/L 454 (23.1) 324 (25.1) 130 (19.2)

LLN for IgG = 5.65 g/L; LLN for IgM = 0.40 g/L. Ig: immunoglobulin; LLN: lower limit of normal.