Table 2 Performance-status scores for evaluating the severity of fatigue in CFS patients.
From: Mechanisms underlying fatigue: a voxel-based morphometric study of chronic fatigue syndrome
Scores | Condition |
|---|---|
0 | No complaints; able to carry on normal activity without fatigue. |
1 | Able to carry on normal activity, but sometimes feels fatigue. |
2 | Able to carry on normal activity or to do active work with effort; requires occasional rest. |
3 | Several days a month, unable to carry on normal activity or to do active work; requires rest at home without work. |
4 | Several days a week, unable to carry on normal activity or to do active work; requires rest at home without work. |
5 | Unable to carry on normal activity or to do active work at all, although able to perform light tasks; requires rest at home without work for several days a week. |
6 | Requires rest without work at home for over one-half of a week; able to do light tasks in good health. |
7 | Unable to carry on normal activity or to do light tasks at all; able to care for self without assistance. |
8 | Remains in bed for more than one-half of each day; able to care for self to some extent, but requires frequent assistance. |
9 | Unable to care for self; must remain in bed with day-long assistance. |