From: HbA1c is a predictive factor of severe coronary stenosis and major adverse cardiovascular events in patients with both type 2 diabetes and coronary heart disease
No Insulin treatment
Insulin treatment
Z
P value
b-HbA1c (%)
7.7 (6.5–8.8)
7.9 (6.8–9.6)
− 1.986
0.047
f-HbA1c (%)
7.4 (6.5–8.3)
7.88 (6.9–9.4)
− 2.083
0.005