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Discrimination ability of the heuristic with both Long Hauler (S1) and Severe (S2) scores. The PASC patients are first identified with an S1>1.5. From those remaining patients, the Severe cases are identified with an S2> 1.5. The dots represent the data points, where yellow are PASCs, red-Severe, dark blue-Mild-Moderate and green-normal.
