Table 3. Subgroup analysis with respect to the response rate at the 12th month.

Parameters		Response at the 12th month	%
Severity	Severe	3/7	42.9
	Very severe	1/3	33.3
PNH clone	Present	2/3	66.7
	Absent	2/7	28.6
Nature	Relapsed	2/6	33.3
	Refractory	2/4	50