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.
difficulty walking more than 2 km
difficulty walking outdoors, difficulty with stairs, no difficulty about home
considerable (moderate to severe)
needs help with stairs, needs help outdoors, some difficulty about home
needs help moving about home, can sit unaided
much of time in bed, can sit up part of day if aided
completely bedridden, completely disabled
Comparison to ECOG scale
Comparison with Karnofsky scle
90 or 100
10 to 40
• 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.
To read more or access our algorithms and calculators, please log in or register.