Table 6.

Treatment and outcome of the first episode of non-Stx–HUS


Treatment or outcome

No mutation, no.

CFH mutation, no.

MCP mutation, no.

IF mutation, no.

P1

P2

P3
Treatment of the first episode        
    No treatment   11 (74)   2 (34)   4 (14)   2 (6)   .18   .21   .03 
    Plasma alone or in combination with drugs   63 (74)   32 (34)   10 (14)   4 (6)   .18   .21   .03 
        Plasma, infusion or exchange   34 (63)   21 (32)   7 (10)   3 (4)   .28   .34   .80  
        Plasma and drugs acting on the coagulation cascade   6 (63)   0 (32)   2 (10)   0 (4)   .07   .32   .009 
        Plasma and drugs acting on the immune system   14 (63)   11 (32)   1 (10)   0 (4)   .20   .37   .14  
        Plasma and both categories of drugs   9 (63)   0 (32)   0 (10)   1 (4)   .02  .20   NA  
Supportive treatment   59 (76)   32 (39)   7 (14)   3 (6)   .58   .03  .02 
Outcome of the first episode        
    Complete remission   28 (81)   7 (40)   12 (14)   3 (6)   .05  <.001  <.001 
    Partial remission   30 (81)   12 (40)   1 (14)   1 (6)   .44   .028  .085  
    Dialysis   19 (81)   9 (40)   1 (14)   2 (6)   .91   .17   .20  
    Death
 
4 (81)
 
12 (40)
 
0 (14)
 
0 (6)
 
<.001
 
.39
 
.02
 

Treatment or outcome

No mutation, no.

CFH mutation, no.

MCP mutation, no.

IF mutation, no.

P1

P2

P3
Treatment of the first episode        
    No treatment   11 (74)   2 (34)   4 (14)   2 (6)   .18   .21   .03 
    Plasma alone or in combination with drugs   63 (74)   32 (34)   10 (14)   4 (6)   .18   .21   .03 
        Plasma, infusion or exchange   34 (63)   21 (32)   7 (10)   3 (4)   .28   .34   .80  
        Plasma and drugs acting on the coagulation cascade   6 (63)   0 (32)   2 (10)   0 (4)   .07   .32   .009 
        Plasma and drugs acting on the immune system   14 (63)   11 (32)   1 (10)   0 (4)   .20   .37   .14  
        Plasma and both categories of drugs   9 (63)   0 (32)   0 (10)   1 (4)   .02  .20   NA  
Supportive treatment   59 (76)   32 (39)   7 (14)   3 (6)   .58   .03  .02 
Outcome of the first episode        
    Complete remission   28 (81)   7 (40)   12 (14)   3 (6)   .05  <.001  <.001 
    Partial remission   30 (81)   12 (40)   1 (14)   1 (6)   .44   .028  .085  
    Dialysis   19 (81)   9 (40)   1 (14)   2 (6)   .91   .17   .20  
    Death
 
4 (81)
 
12 (40)
 
0 (14)
 
0 (6)
 
<.001
 
.39
 
.02
 

IF mutation group has not been included in statistical analysis. The numbers of patients for whom data were available are reported in parentheses. Supportive treatment includes dialysis, blood transfusions, or concentrated red blood cell infusion. Plasma treatment includes infusion of 10 to 20 mL/kg/day and/or exchange of 1 to 2 plasma vol/day (or 30-40 mL/kg/day) for a total of 2 to 36 treatments in 2 days to 6 weeks. Complete remission is defined as normalization of both hematologic parameters and of renal function. Partial remission is defined as normalization of hematologic parameters with renal sequelae.

P1 indicates no mutation versus CFH mutation; P2, no mutation versus MCP mutation; P3, CFH mutation versus MCP mutation; NA, not applicable. Significant P values are in italics.

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