====== WHO performance scale ======

Grade Description

0 Fully active, no performance restriction as a result of disease.

1 Restricted in physically strenuous activity. Ambulatory. Able to do light work, e.g. light house work, desk work.

2 Unable to perform any work activities. Ambulatory. Up & about > 50% of waking hours.

3 Only able to perform limited self care. [[Wheelchair]] confined > 50% of waking hours.

4
Completely disabled. Unable to perform self care. Totally bed or chair confined.

5
Dead