Table 3.

Complement assessment of patients in the acute phase of atypical haemolytic uraemic syndrome (aHUS)

Patient no.	C3 700–1500*	C4 100–400*	C3b/c (<15·8 )†	C3bBbP (<23·5)†	TCC (<2·2)†
P1a	1110	323	57·82	148·7	7·85
P2a	1130	300	18·15	29·3	15·16
P3a	639	292	12·25	46·59	5·39
P4a	657	164	34·25	67·48	2·56
P5a	927	205	11·28	34·74	4·84
P6a	620	250	19·63	99·95	10·94

^*Normal serum concentration range (mg/l) defined by the standard clinical protocol.

^†Normal concentration range (CAU/ml) defined by this study as mean ± 2 standard deviations of control values (n = 19). Values outside the normal range are indicated in bold type. TCC = terminal complement complex.