Cluster 102: pt time intended prothrombin anticoagulant anticoagulants inr normalized range ptt 
Cluster 601: aptt intended anticoagulant ptt activated anticoagulants thromboplastin range pt partial 
Cluster 1122: inr range normalized ratio international coumadin therapeutic anticoagulant normal enroll 
Cluster 1736: inr desired anticoagulation anticoagulant recommended range level stable receiving normalized 
Cluster 2246: pt time anticoagulant intended anticoagulants prothrombin ptt inr range normalized