Table I.
Patient characteristics
| Variablea |
All AAA repairs (N = 2386)
|
||||
|---|---|---|---|---|---|
|
Elective (N = 1959) |
P valueb |
Symptomatic (N = 156) |
P valuec |
Ruptured (N = 271) |
|
| Age, y | 72 ± 8 | .01d | 74 ± 9 | .856 | 74 ± 9 |
| Women, % | 22 | .035d | 31 | .001d | 16 |
| Smoking (prior or current), % | 90 | .213 | 86 | >.99 | 85 |
| Hypertension, % | 82 | .502 | 78 | .860 | 81 |
| Diabetes, % | 18 | >.99 | 17 | >.99 | 15 |
| Congestive heart failure, % | 9 | .019d | 15 | .751 | 12 |
| COPD, % | 37 | .425 | 42 | >.99 | 42 |
| Creatinine ≥1.8 mg/dL, % | 8 | .393 | 10 | .066 | 18 |
| Previous CEA, % | 6 | .461 | 9 | .479 | 6 |
| Max AP AAA diameter, cm | 5.8 ± 0.1 | <.001d | 6.6 ± 1.7 | <.001d | 7.1 ± 2.0 |
| Preop medications, % | |||||
| Aspirin | 71 | .091 | 63 | .001d | 46 |
| Clopidogrel | 5 | >.99 | 6 | .803 | 4 |
| Statin | 62 | .008d | 51 | <.001d | 32 |
| β-blockers | |||||
| None | 16 | .378 | 14 | <.001d | 39 |
| Immediate preop | 25 | <.001d | 43 | <.001d | 24 |
| Chronic | 59 | <.001d | 44 | .165 | 37 |
| EVAR repair, % | 48 | <.001d | 38 | <.001d | 12 |
| Glasgow Aneurysm Score | 79.4 ± 12 | 86.8 ± 15.8 | |||
AAA, Abdominal aortic aneurysm; AP, anteroposterior; CEA, carotid endarterectomy; COPD, chronic obstructive pulmonary disease.
a
Continuous variables are presented as mean ± standard deviation.
b
Elective vs symptomatic
c
symptomatic vs rupture; P value from F-test in analysis of variance for continuous variables and from χ2 test for categoric variables.
d
These values are significant (significant at level of .05).