P2 phenotype:PrThr:Pt:RBC^Donor:Ord
p2 phenotype:prthr:pt:rbc^donor:ord
P2 phenotype:Presence or Threshold:To identify measures at a point in time:Erythrocytes^Donor:Ordinal
p2 phenotype:presence or threshold:to identify measures at a point in time:erythrocytes^donor:ordinal