Table 2.

Trough IgG levels and dosing (both presented as median).

	24 months of observation n = 11		SCIG to fSCIG n =11		IVIG to fSCIG n = 21		Ramp-up n = 5		Non-Ramp-up n = 28
	IgG g/L	Dosing mg/kg/4 weeks	IgG g/L	Dosing mg/kg/4 weeks	IgG g/L	Dosing mg/kg/4 weeks	IgG g/L	Dosing mg/kg/4 weeks	IgG g/L	Dosing mg/kg/4 weeks
Baseline	8.01	430	8.07	420	7.8	470	7.8	550	8.0	455
Month 3	7.12	460	8.06	460	7.12	480	8.7	550	7.0	470
Month 6	7.21	490	8.79	560	7.21	490	8.9	530	7.5	490
Month 12	9.0	590	9.53	570	8.0	480	9.8	470	8.7	565
Month 18	8.63	500	Nd*	Nd*	Nd*	Nd*	Nd*	Nd*	Nd*	Nd*
Month 24	9.0	470	Nd*	Nd*	Nd*	Nd*	Nd*	Nd*	Nd*	Nd*

^*Nd, no data.

fSCIG, facilitated subcutaneous immunoglobulin; IVIG, intravenous immunoglobulin; SCIG, subcutaneous immunoglobulin.