Table 2

Baseline Characteristics of All Patients With PAD, According to Type of Operation

All Patients n = 2,730 (100%)CEA n = 560 (21%)AAA n = 923 (34%)r-AAA n = 100 (7%)LLR n = 1,047 (38%)p Value
Demographics
 Mean age (± SD)66 (11)65 (10)66 (11)71 (9)65 (12)<0.001
 Male (%)7573788872<0.001
Cardiovascular risk factor (%)
 Body mass index (± SD)25.0 (5)25.8 (3)24.9 (5)25.4 (3)24.7 (4)0.006
 Current smoker2411281429<0.001
 Hypertension4534534346<0.001
 Diabetes mellitus1510131020<0.001
 Hypercholesterolemia2928373326<0.001
 COPD187262017<0.001
 Renal dysfunction125132014<0.001
Disease history (%)
 Angina157171419<0.001
 MI2493027310.01
 Coronary revascularization2419262028<0.001
 Heart failure51657<0.001
Medication use (%)
 Statins2626331923<0.001
 Diuretics1810181923<0.001
 ACE inhibitors3121352534<0.001
 Calcium antagonists3427432232<0.001
 Nitrates1913211420<0.001
 Beta-blockers3326452229<0.001
 Aspirin4073332832<0.001
 Anticoagulation206171033<0.001

AAA = elective infrarenal abdominal aortic surgery; ACE = angiotensin-converting enzyme; CEA = carotid endarterectomy; COPD = chronic obstructive pulmonary disease; LLR = lower limb arterial reconstruction procedures; r-AAA = acute infrarenal abdominal aortic surgery; other abbreviations as in Table 1.

  • Baseline serum creatinine >1.5 mg/dl.