100% No symptoms even following physical or mental activity. Able to study and work full time without difficulty, plus enjoy a social life.
VIRTUALLY RECOVERED
95% No symptoms at rest. Mild symptoms following physical or mental activity - tire rather easily but fully recovered next day. Able to study or work full time without difficulty but a slight restriction on social life.
MILDLY AFFECTED
90% No symptoms at rest. Mild symptoms following physical or mental activity - tire easily. Study/work full time with some difficulty. Social life rather restricted with gradual recovery over 2/3 days.
80% Mild symptoms at rest, worsened to moderate by physical or mental activity. Full time study at school/ college is difficult, as is full-time work, especially if it is a crowded, noisy or busy environment. Home tuition or part-time study without difficulty.
MODERATELY AFFECTED
70% Mild symptoms at rest, worsened to severe by physical or mental activity. Daily activity limited. Part time study at school/college is very tiring, and may be restricting social life. Part time work may be possible for a few hours in the day. With careful pacing out of activities and rest periods, one may discover windows of time during the day when one feels significantly better. Gentle walking or swimming can be beneficial.
60% Mild to moderate symptoms at rest. Increasing symptoms following physical or mental activity. Daily activity very limited. Study with others or work outside the home very difficult unless additional support is available, e.g. use of a wheelchair/quiet room for a rest period. Short (I-2 hours) daily home study/work may be possible on good days. Quiet, non-active social life possible.
MODERATE TO SEVERELY AFFECTED
50% Moderate symptoms at rest. Increasing symptoms following physical or mental activity. Mid-day rest may still be needed. Simple, short (1hr) home study/home activity possible, when alternated with quiet, non-active social life. Concentration is limited. Not confined to the house but may be unable to walk without support, much beyond 100/200m. May manage a trip to the shops in the wheelchair.
40% Moderate to severe symptoms following any activity. Care must be taken not to over-do one's life style at this stage. Not con-fined to the house but unable to walk much more than 50/I00m, usually requiring aids such as walking stick/crutches. May manage a wheelchair trip to the shops on a quiet day. Requires 3 or 4 regular rest periods during the day. Only one 'large' activity possible per day - friend dropping by or doctor's visit or short home study (half hour at a time) etc - with space usually requiring rest day/s between.