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Table 2 Revised diagnosis for abnormal glucose regulation after OGTT and HbA1C tests for subjects with cardiac syndrome X vs. coronary artery disease (status without known diabetes mellitus)

From: Post-challenge insulin concentration is useful for differentiating between coronary artery disease and cardiac syndrome X in subjects without known diabetes mellitus

 

CSX

(N = 92)

CAD

(N = 145)

p

Normal (N) (%)

(normal fasting glucose, OGTT & HbA1C)

16 (17.4%)

13 (9.0%)

<0.001

Newly diagnosed diabetes mellitus (N)(%) (fasting glucose, OGTT or HbA1C)

9 (9.8%)

45 (31.0%)

 

Pre-diabetes (N) (%)

67 (72.8%)

87 (60.0%)

 

IFG (N)

8

9

 

IGT (N)

23

34

 

IFG + IGT (N)

11

16

 

HbA1C (5.7–6.4%) (N)

55

83

 
  1. CAD coronary artery disease, CSX cardiac syndrome X, HbA 1C glycated hemoglobin, IFG impaired fasting glucose, IGT impaired glucose tolerance, OGTT oral glucose tolerance test