From: Use of imaging and clinical data to screen for cardiovascular disease in asymptomatic diabetics
Screening tests | All subjects (n = 98) | Subjects with coronary artery disease (n = 43) | Subjects without coronary artery disease (n = 55) | p Value |
---|---|---|---|---|
Coronary artery calcium | ||||
 0 | 60 (61.0 %) | 5 (11.6 %) | 55 (100 %) | <0.01 |
 ≥ 1 (Agatston score) | 38 (38.8 %) | 38 (88.4 %) | 0 (0 %) | |
Carotid artery ultrasound | ||||
 Maximum intima medial thickness (IMT), mm | 0.75 ± 0.16 | 0.80 ± 0.20 | 0.70 ± 0.11 | <0.01 |
 IMT ≥ 1.0 mm (#, %) | 11 (11.2 %) | 11 (25.6 %) | 0 | <0.01 |
 Carotid plaque (#, %) |  |  |  |  |
 No carotid plaque | 55 (56.1 %) | 18 (41.9 %) | 37 (67.3 %) | 0.01 |
 Carotid plaque | 43 (43.9 %) | 25 (58.4 %) | 18 (32.7 %) | |
 Carotid plaque or IMT ≥ 1.0 mm | 44 (44.9 %) | 26 (60.5 %) | 18 (32.7 %) | <0.01 |
Exercise treadmill test | ||||
 ECG test results (#, %) | ||||
  Negative | 69 (70.4 %) | 26 (60.5 %) | 43 (78.2 %) | 0.04 |
  Positive | 8 (8.2 %) | 7 (16.3 %) | 1 (1.8 %) | |
  Negative with <85 % MPHR | 20 (20.4 %) | 10 (23.3 %) | 10 (18.2 %) | |
  Inconclusive due to LBBB | 1 (1.0 %) | 0 | 1 (1.8 %) | |
 Specific test outcomes | ||||
  METS | 8.5 ± 2.1 | 8.2 ± 1.8 | 8.7 ± 2.4 | 0.19 |
  Duke treadmill score | 8.3 ± 4.8 | 7.1 ± 5.0 | 9.2 ± 4.4 | 0.03 |