Figure 1

Serum IgG trough levels (means and standard errors). For this analysis, 20 patients were considered who had prestudy serum IgG concentrations which fulfilled both of the following conditions: (i) measured within 2 months before study start and (ii) measured 3 to 4 weeks after an IVIG infusion. On average, visit 4 was 100 days and visit 7 was 290 days after baseline.