(*What is M.E.? See bottom of this post)
You may have seen this scale ‘the other way around’ with 0% referring to severe symptoms, and 100% as fit and well. However this scale is shown in Living with M.E.: The Chronic, Post-viral Fatigue Syndrome By Dr. Charles Shepherd ISBN: 0091816793.
O% - FIT AND WELL FOR AT LEAST THE PAST THREE MONTHS.
No symptoms at rest or following activity. Capable of full-time employment.
10% - GENERALLY WELL.
No symptoms at rest. Occasionally mild symptoms may follow activity. Capable of most forms of full-time employment.
20% - OCCASIONAL MILD SYMPTOMS AT REST.
More noticeable symptoms following activity. Some restriction of capabilities which require physical exertion. Able to work full-time but difficulty with work that requires physical exertion.
30% - MILD SYMPTOMS AT REST.
Limited ability to carry out some tasks which require physical exertion. May be able to work full-time.
40% - MILD OR MODERATE SYMPTOMS AT REST.
Variable ability to carry out tasks associated with normal daily activity. Unable to work part-time in a job involving frequent physical exertion. May be able to work part-time in other types of employment.
50% - MILD TO MODERATE SYMPTOMS AT REST.
Moderate to more severe exacerbation of symptoms following physical and/ or mental exertion. Unable to carry out any strenuous physical tasks. Able to perform light duties or deskwork for several hours a day provided adequate rest periods are provided.