Cluster 64: play lansky score performance karnofsky scale pediatric status years older 
Cluster 526: ps ecog performance status score subjects patient scale screening patients 
Cluster 1120: zubrod performance status patients ps karnofsky score criteria scale equal 
Cluster 1165: scale karnofsky performance kps status score lansky ps higher greater 
Cluster 1250: lansky karnofsky performance status score dependent adult pediatric age kps 
Cluster 1344: score karnofsky performance status greater patients higher adult adequate time 
Cluster 1407: age score years lansky performance karnofsky lps status scale kps 
Cluster 2129: kps score ci hct aged greater modified definitions rpa patients