Table 3.

Specificity and sensitivity of bleeding severity grades and precision for the established factor activity threshold in quantitative fibrinogen deficiencies

AsymptomaticGrade 1 and grade 2Grade 3
Sensitivity 45% 56% 65% 
Specificty 90% 62% 81% 
Positive predictive value (precision) 50% 50% 71% 
AsymptomaticGrade 1 and grade 2Grade 3
Sensitivity 45% 56% 65% 
Specificty 90% 62% 81% 
Positive predictive value (precision) 50% 50% 71% 
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