Hong et al reported a risk stratification score (RSS) prior to heart transplantation. The score has two subscores - one for the recipient and one for the donor. The authors are from Columbia University, Mount Sinair Medical Center and University of Chicago.
Patient selection: heart transplant donor, age < 60 years
Donor Parameters:
(1) hepatitis C
(2) insulin-dependent diabetes
(3) age in years
(4) ischemic time
(5) donor patient pairing
Parameter
Finding
Points
hepatitis C
negative
0
positive
2.1
insulin dependent diabetes
no
0
yes
1.8
age
< 30 years of age
0
30 to 39 years
1.3
40 to 49 years
1.5
50 to 59 years
1.7
ischemic time
< 4 hours
0
4 to 6 hours
1.4
> 6 hours
1.7
donor patient pairing
female donor
1.2
male donor
0
donorsubscore =
= SUM(points for all of the parameters)
total score =
= (subscore for recipient) + (subscore for donor)
Interpretation:
• minimum subscore: 0
• maximum subscore: 8.5
• minimum total score: 0
• maximum total score: 31.7 in paper; may be 27.8 (see recipient subscore)
Performance:
• The area under the ROC curve is 0.666.
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