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Test score for qualitative latex agglutination test for VWF : Ag.
| Test score | Size of the agglutinated beads | Appearance of the background | Rapidity of the agglutination |
|---|---|---|---|
| 1+ | Small clumps | Cloudy | >2 min |
| 2+ | Small clumps | Cloudy | >1 min |
| 3+ | Small/large clumps | Clear | >30 sec |
| 4+ | Large clumps | Clear | <30 sec |
VWF : Ag: von Willebrand factor antigen.
