Table 6. Characteristics of acetylcholine provocation test in hypertensive patients with significant coronary artery spasm.
| Variables, n (%) | Uncontrolled (n=104) | Controlled (n=141) | P-value |
|---|---|---|---|
| Maximal tolerable dose of acetylcholine | |||
| A1 (20 μg min−1) | 7 (6.7) | 11 (7.8) | 0.751 |
| A2 (50 μg min−1) | 53 (51.0) | 87 (61.7) | 0.093 |
| A3 (100 μg min−1) | 44 (42.3) | 43 (30.5) | 0.056 |
| Spasm types | |||
| Focal | 19 (18.3) | 21 (14.9) | 0.480 |
| Diffuse | 85 (81.7) | 120 (85.1) | 0.480 |
| Spasm vessel number | |||
| One vessel | 52 (50.0) | 70 (49.6) | 0.956 |
| Multivessel | 52 (50.0) | 71 (50.4) | 0.956 |