Table 1. Area Under the Curve (AUC) For Top 10 symptoms.

Individual Symptoms	AUC
Fatigue / Extreme tiredness	0.978
Physically drained / sick after mild activity	0.971
Minimum exercise makes you physically tired	0.968
Next-day soreness after non-strenuous activities	0.952
Dead, heavy feeling after starting to exercise	0.951
Unrefreshing sleep	0.946
Mental tiredness after slightest effort	0.945
Slowness of thought	0.943
Muscle weakness	0.940
Difficulty finding the right word to say or expressing thoughts	0.931