Table 3.

Effects of Patient and Control IgG on APCR Ratios

Sample Tested APCR Ratio APCR Normalized Ratio
Normal plasma  2.9  1.0  
Patient’s plasma  1.2  0.41 
Homozygous FV Q506 plasma  1.1  0.38  
2 parts NP + 1 part N IgG  2.4  1  
2 parts NP + 1 part P IgG  1.6 0.67  
2 parts NP + 1 part H IgG  2.6  1.08  
4 parts NP + 1 part PP  1.9  0.66  
4 parts NP + 1 part HP  2.3 0.79 
Sample Tested APCR Ratio APCR Normalized Ratio
Normal plasma  2.9  1.0  
Patient’s plasma  1.2  0.41 
Homozygous FV Q506 plasma  1.1  0.38  
2 parts NP + 1 part N IgG  2.4  1  
2 parts NP + 1 part P IgG  1.6 0.67  
2 parts NP + 1 part H IgG  2.6  1.08  
4 parts NP + 1 part PP  1.9  0.66  
4 parts NP + 1 part HP  2.3 0.79 

Abbreviations: NP, normal plasma; PP, patient’s plasma obtained in 1998; HP, homozygote for factor V Q506; N IgG, normal IgG; P IgG, patient’s IgG; H IgG, IgG of a homozygote for factor V Q506.

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