Nguyen et al used the Current Level of Functioning (CLOF) to describe the functional status of a patient with COPD. The authors are from Kaiser Permanente Southern California.
Parameters:
(1) mobility status
(2) distance that can be walked
Mobility Status
Distance That Can Be Walked
Level
bed bound
NA
I
able to sit
NA
II
able to stand next to bed
NA
III
able to walk
< 50 feet
IV
able to walk
>= 50 feet
V
Levels I through III are non-ambulatory.
Levels IV and V are ambulatory.
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