Table 2.

Quality criteria for the interpretation of the biochip data.1

DiagnosisQuality criteriaAllowed values
Enough material[DRA-PM]/[Hybridization control PM]>0.1
Measurement validDiscrimination hybridization control>20
Discrimination HLA-DRA>10
Mutation present[Found mutation]/[Highest other mutation]>3
[Found mutation]/[Background]>5
[PCR control]/[Found mutation]0.2–5
[Found mutation]/[Hybridization control PM]>0.1