Table II.
Association of patients with chest pain, dyspnea, and chest pain plus dyspnea with coronary angiographic findings
| Variable | Chest pain (n = 654) |
Dyspnea (n = 229) |
Chest pain plus dyspnea (n = 117) | P-value chest pain vs. dyspnea | P-value chest pain vs. both | P-value dyspnea vs. both |
|---|---|---|---|---|---|---|
| Obstructive CAD | 410 (63%) | 103 (45%) | 76 (65%) | < 0.001 | NS | 0.0004 |
| Obstructive LM CAD | 26 (4%) | 13 (6%) | 8 (7%) | NS | NS | NS |
| Nonobstructive LM CAD | 148 (23%) | 52 (23%) | 32 (27%) | NS | NS | NS |
| Obstructive LAD/diagonal CAD | 263 (40%) | 80 (35%) | 47 (40%) | NS | NS | NS |
| Nonobstructive LAD/diagonal CAD | 314 (48%) | 121 (53%) | 52 (44%) | NS | NS | NS |
| Obstructive LCx/marginal CAD | 181 (28%) | 46 (20%) | 30 (26%) | NS | NS | NS |
| Nonobstructive LCx/marginal CAD | 361 (55%) | 139 (61%) | 61 (52%) | NS | NS | NS |
| Obstructive right CAD | 256 (39%) | 65 (28%) | 47 (40%) | 0.02 | NS | 0.03 |
| Nonobstructive right CAD | 304 (46%) | 121 (53%) | 44 (38%) | NS | NS | 0.02 |
| Obstructive grafts | 22/70 (31%) | 6/23 (26%) | 5/17 (29%) | NS | NS | NS |
| Patent grafts | 48/70 (69%) | 17/23 (74%) | 12/17 (71%) | NS | NS | NS |
LM – left main, CAD – coronary artery disease, LAD – left anterior descending, LCx – left circumflex.