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Table 1 Baseline demographic data of 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
Age (years) 59 ± 11 62 ± 13 0.015
Gender (M/F) 62/30 132/13 <0.001
Hypertension (N) (%) 71 (77%) 134 (92%) 0.002
Systolic blood pressure (mmHg) 125 (114, 135) 128 (117, 141) 0.049
Body mass index (kg/m2) 25.0 (23.9, 27.3) 25.9 (23.7, 28.2) 0.174
Current smoking (N) (%) 51 (55%) 86 (60%) 0.563
Total cholesterol (mg/dl) 185 (165, 209) 165 (143, 193) <0.001
LDL-C (mg/dl) 107 (91, 122) 90 (74, 112) <0.001
HDL-C (mg/dl) 48 (43, 58) 43 (38, 51) <0.001
Triglycerides (mg/dl) 122 (88, 173) 118 (88, 164) 0.960
Adiponectin (μg/ml) 3.7 (1.5, 6.0) 3.6 (1.5, 5.8) 0.583
Leptin (ng/ml) 4.2 (2.3, 8.5) 4.5 (2.8, 8.3) 0.627
Hs-CRP (mg/dl) 0.09 (0.02, 0.25) 0.12 (0.05, 0.26) 0.104
Medication before index admission
Use of statin (N) (%) 13 (14%) 56 (39%) <0.001
Use of fibrates (N) (%) 2 (2%) 1 (0.7%) 0.689
Use of anti-hypertensive medication (N) (%) 71 (77%) 134 (92%) 0.002
Medication post index admission    
Use of statin (N) (%) 22 (24%) 100 (69%) <0.001
  1. Non-normally distributed data are expressed as median (interquartile range, 25th percentile to 75th percentile)
  2. CAD coronary artery disease, CSX cardiac syndrome X, HDL-C high-density lipoprotein cholesterol, Hs-CRP high sensitivity C-reactive protein, LDL-C low-density lipoprotein cholesterol, Statin HMG-CoA reductase inhibitors