Kao et al reported the NEAT score for predicting survival of a patient with advanced cancer who is referred for palliative radiation therapy. The authors are from Good Samaritan Hospital Medical Center (West Islip, New York), New York Institute of Technology College of Osteopathic Medicine, and Memorial Sloan Kettering Cancer Center.
Patient selection: Stage IV cancer, referred to radiation oncology
Parameters:
(1) number of active tumors (N)
(2) ECOG performance status (E)
(3) serum albumin (A)
(4) primary tumor site (T)
Parameter
Finding
Points
number of active tumors
1 to 5
0
>= 6
1
ECOG performance
0 or 1
0
2
1
3 or 4
2
serum albumin
>= 3.4 g/dL
0
2.4 to 3.3 g/dL
0.5
< 2.4 g/dL
1
primary tumor site
breast, kidney, prostate
0
other
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 5
Total Score
Risk Group
Median Survival
0 to 1
very low
24.9 months
1.5 to 2.0
low
14.8 months
2.5 to 3.5
intermediate
4 months
4 to 5
high
1.2 months
Performance:
• The area under the ROC curve is 0.76.
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