Table 1.
Baseline Characteristics
| Characteristic | Non-obese (BMI< 30) | Obese (BMI=>30) | Overall |
|---|---|---|---|
| Median (Q1, Q3) or N (%) | N=284 | N=96 | N=380 |
| Age, in years | 62.6 (55.7,68.8) | 60.0 (55.3, 66.6) | 62.0 (55.7, 68.4) |
| Male Gender | 195 (69) | 56 (58) | 251 (66) |
| Race | |||
| Asian | 113 (40) | 12 (13) | 125 (33) |
| African American | 27 (10) | 16 (17) | 43 (11) |
| Caucasian | 144 (51) | 68 (71) | 212 (56) |
| Coronary Risk Factor | |||
| Hypertension | 212 (75) | 84 (88) | 296 (78) |
| Diabetes | 95 (33) | 35 (36) | 130 (34) |
| Dyslipidemia | 190 (68) | 63 (68) | 253 (68) |
| Previous myocardial infarction | 80 (28) | 23 (24) | 103 (27) |
| Smoking Status | |||
| Current Smoker | 53 (20) | 11 (12) | 64 (18) |
| Former Smoker | 106 (39) | 26 (28) | 132 (36) |
| Never Smoker | 111 (41) | 56 (60) | 167 (46) |
| Family history of coronary artery disease | 115 (43) | 46 (50) | 161 (45) |
| Epicardial Fat Volume | 96.0 (72.0,126.0) | 122.0 (92.0,160.0) | 102.0 (78.0,131.0) |
| CACS* and CT angiography (CTA) | |||
| Positive Calcium Score (CACS*>0) | 235 (84) | 78 (82) | 313 (83) |
| Coronary artery plaque with stenosis (CTA≥50%) | 195 (69) | 54 (56) | 249 (66) |
| Invasive angiography | |||
| Coronary artery stenosis (QCA†≥50%) | 183 (64) | 45 (47) | 228 (60) |
| Coronary artery severe stenosis (QCA†≥70%) | 138 (49) | 35 (36) | 173 (46) |
| Coronary artery occlusion (QCA†=100%) | 54 (19) | 12 (13) | 66 (17) |
| Single photon emission computed tomography | |||
| Myocardial hypo-perfusion (SSS‡>0) | 142 (50) | 46 (48) | 188 (49) |
| Myocardial ischemia (SDS§ >0) | 217 (76) | 62 (65) | 279 (73) |
*
CACS: coronary artery calcium score
†
QCA: quantitative coronary angiography
‡
SSS: summed Stress score
§
SDS: summed difference score