Shah et al reported a simple score for predicting periprocedural hyperglycemia for a patient undergoing coronary angiography. The score may also be applicable to other procedures. The authors are from Veterans Affairs New York Harbor Health Care System and New York University School of Medicine.
Patient selection: coronary angiography
Parameters:
(1) insulin and/or sulfonylurea therapy
(2) hemoglobin A1c in percent
(3) random blood glucose >= 120 g/dL
Parameter
Finding
Points
therapy
either insulin or sulfonylurea
3
both insulin and sulfonylurea
5
neither
0
hemoglobin A1c
< 6.5%
0
>= 6.5%
4
random blood glucose
< 120 mg/dL
0
>= 120 mg/dL
2
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 11
Total Score
Hyperglycemia in Development Cohort
< 6
11%
6 to 9
31%
>= 9
68%
Performance:
• The C-statistic was 0.75 in the development and 0.74 in the validation cohorts.
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