Nord reported an illness severity scale that was adapted by Shah. It has 8 disease levels which is intermediate between the Karnofsky and the ECOG scales.
Health Problems
Condition
Scale
none
healthy
1
slight
difficulty walking more than 2 km
2
moderate
difficulty walking outdoors, difficulty with stairs, no difficulty about home
3
considerable (moderate to severe)
needs help with stairs, needs help outdoors, some difficulty about home
4
severe
needs help moving about home, can sit unaided
5
very severe
much of time in bed, can sit up part of day if aided
6
extreme
completely bedridden, completely disabled
7
dead
dead
8
Comparison to ECOG scale
Health Problems
Scale
ECOG 0
1
ECOG 1
2
ECOG 2
3
4
5
ECOG 3
6
ECOG 4
7
8
Comparison with Karnofsky scle
Karnofsky
Scale
90 or 100
1
80
2
70
3
4
60
5
50
6
10 to 40
7
0
8
Limitation:
• The scale is equally divided over the spectrum of illness, while the impact is not.
• The scale is skewed towards more severe illness with good condition 1 or 2 and moderate or worse 3 to 8. There is no level between slight or moderate and no subdivisions for healthy.
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