Class 0: not or hardly present [0.00-0.34 IU/ml]
Class 1: low threshold [0.35-0.69 IU/ml]
Class 2: slight increase [0.70-3.49 IU/ml]
Class 3: significantly increased [3.50-17.49 IU/ml]
Class 4: high [17.5-49.9 IU/ml]
Class 5: very high [50.0-100.0 IU/ml]
Class 6: extremly high [>100 IU/ml |