Bourdel-Marchasson et al reported a model for 1-year mortality for an older adult with cancer. The authors are from CHU Bordeaux, Bordeaux University, INSERM Bordeaux and InstitutBergonie in France.
Patient selection: cancer patient > 70 years of age
Parameters:
(1) food intake over the past 3 months
(2) number of prescription drugs taken per day
(3) protein-rich food intake
(4) calf circumference in centimeters
(5) cancer origin
(6) metastases
(7) absolute lymphocyte count per microliter
Parameter
Finding
Points
food intake
severe decrease
13.4
moderate decrease
7.1
no decrease
0
prescription drugs
0 to 3
0
>= 4
4.8
protein rich food intake
low
10
intermediate
5.2
high
0
calf circumference
< 31 cm
11.3
>= 31 cm
0
cancer origin
non-small cell lung
18.6
colon
0
stomach
10.4
ovary
0.8
pancreas
15.1
cholangiocarcinoma
10.7
unknown
7
prostate
6.4
breast
6
bladder
13.8
metastases
no
0
yes
8.8
lymphocyte count
< 1,500 per µL
8.4
>= 1,500 per µL
0
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 75.2
Total Score
1-Year Mortality
<= 21
19.5%
22 to 30
>= 31
70%
Performance:
• The area under the ROC curve is 0.79 in the derivation and 0.70 in the validation cohorts.
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