Table 1.
Demographic characteristics of CHD patients with QSB and QDB syndrome.
| QSB (N = 7) | QDB (N = 22) | |
|---|---|---|
| Demographics: | ||
| Mean age (years) | 65.43 ± 9.5 | 66.55 ± 11.7 |
| Sex (Male) | 4 | 8 |
| Heart rate (BPM) | 83.2 ± 6.8 | 77.8 ± 10.7 |
| Blood pressure (SBP/DBP) | 144 ± 12.1/90.6 ± 11.3 | 140.5 ± 5.23/81.8 ± 4.1 |
| Body mass index (kg/m2), mean ± SE | 27.9 ± 0.6 | 26.2 ± 0.85 |
| Comorbid conditions: | ||
| Hypertension | 3 (42) | 15 (68) |
| Diabetes mellitus | 1 (14) | 4 (18) |
| Hyperlipidemia | 1 (14) | 4 (18) |
| Current smoking | 4 (57) | 13 (59) |
| Alcohol | 2 (28) | 6 (27) |
| Prehospital medications: | ||
| Statins | 5 (71) | 20 (90) |
| Beta blocker | 1 (14) | 5 (22) |
| Angiotensin-converting enzyme inhibitor/angiotensin receptor blocker | 2 (28) | 8 (36) |
| Calcium channel blocker | 2 (28) | 6 (27) |
| Aspirin | 3 (43) | 9 (41) |
| Nitroglycerin | 3 (43) | 7 (32) |