Table 2 Clinical presentations
Variable | N—Stented | Stat—Stented | N—Stentless | Stat—Stentless | P value |
|---|---|---|---|---|---|
Most severe angina pectoris within one month prior to surgery | 100 | 12 | 0.30 | ||
Acute coronary insufficiency: prolonged episodes of unprovoked pain (> 15 min) despite medical therapy | 1 (1%) | 1 (8%) | |||
Crescendo: increasing frequency or severity of symptoms | 2 (2%) | 0 (0%) | |||
None | 83 (83%) | 9 (75%) | |||
Stable: predictable exertional angina | 14 (14%) | 2 (17%) | |||
Infective endocarditis | 99 | 11 | 0.51 | ||
Active | 5 (5%) | 0 (0%) | |||
Active abscess | 9 (9%) | 0 (0%) | |||
Remote | 13 (13%) | 0 (0%) | |||
Most recent myocardial infarction within 30 days of OR date | 99 | 8 | 0.090 | ||
Non-Q wave infarction | 3 (3%) | 0 (0%) | |||
Transmural infarction | 0 (0%) | 1 (12%) | |||
NYHA classification (cardiac disability) | 100 | 12 | 0.190 | ||
No restrictions | 11 (11%) | 4 (33%) | |||
Symptoms provoked by exertion beyond daily activity | 10 (10%) | 0 (0%) | |||
Symptoms provoked by normal daily activity | 41 (41%) | 4 (33%) | |||
Unprovoked symptoms | 38 (38%) | 4 (33%) | |||
LV grade based on LV ejection fraction | 100 | 12 | 0.84 | ||
< 20% | 1 (1%) | 0 (0%) | |||
> = 60% | 46 (46%) | 7 (58%) | |||
20–39 | 11 (11%) | 1 (8%) | |||
40–59 | 42 (42%) | 4 (33%) |