Fan et al reported nomograms for predicting the risk of coronary artery disease (CAD) and calcifications (CAC). The authors are from Chengde Medical University in China.
Patient selection: adult with suspected coronary artery disease
Parameters:
(1) sex
(2) hypertension
(3) diabetes
(4) dyslipidemia
(5) ischemic stroke
(6) Advanced Lung Cancer Inflammation Index (ALI)
Parameter
Finding
Points
sex
female
0
male
100
hypertension
no
0
yes
72.5
diabetes
no
0
yes
66.3
dyslipidemia
no
0
yes
67.5
ischemic stroke
no
0
yes
81
ALI
<= 39.29
48
> 39.29
0
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 435.3
value of X =
= (0.01029 * (score)) - 1.349
probability of CAD =
= 1 / (1 + EXP((-1) * (score)))
Performance:
• The area under the ROC curve was 0..
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