Table 2.

Multivariate OR and their 95% CI for fetal death associated with anti-EPCR levels


Anti-EPCR antibodies and percentile

Model 1

Model 2
Matched OR
95% CI
P
Matched OR
95% CI
P
IgM       
    95th   23.0   2.0-266.3   .012   31.0   2.0-384.3   .007  
    90th   7.1   1.9-25.6   .003   9.1   2.4-34.7   .001  
IgG       
    95th   6.8   1.2-38.4   .029   11.0   1.6-73.5   .013  
    90th   3.5   1.9-11.8   .040   5.5   1.5-20.2   .010  
Either IgM or IgG       
    95th   10.9   2.2-54.7   .004   16.9   3-96   .001  
    90th
 
6.7
 
2.1-21.2
 
.001
 
10.4
 
2.9-37.4
 
< .001
 

Anti-EPCR antibodies and percentile

Model 1

Model 2
Matched OR
95% CI
P
Matched OR
95% CI
P
IgM       
    95th   23.0   2.0-266.3   .012   31.0   2.0-384.3   .007  
    90th   7.1   1.9-25.6   .003   9.1   2.4-34.7   .001  
IgG       
    95th   6.8   1.2-38.4   .029   11.0   1.6-73.5   .013  
    90th   3.5   1.9-11.8   .040   5.5   1.5-20.2   .010  
Either IgM or IgG       
    95th   10.9   2.2-54.7   .004   16.9   3-96   .001  
    90th
 
6.7
 
2.1-21.2
 
.001
 
10.4
 
2.9-37.4
 
< .001
 

Anti-EPCR autoantibodies were categorized using the 95th and 90th percentiles as cutoff points for the variable in the control group. Model 1 was adjusted for G20210A prothrombin, LACs, aCLs, and, in case of IgM anti-EPCR, for IgG anti-EPCR (vice versa in case of IgG anti-EPCR). Model 2 is like model 1 except that FVL is included for adjustment instead of LACs.

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