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Table 1 Characteristics of the study population

From: Predictors of adverse events after endovascular abdominal aortic aneurysm repair: A meta-analysis of case reports

  N or mean ± standard deviation Percentage or range
Gender   
   Male 138 80%
   Female 24 14%
   Unspecified 11 6%
Age at operation (years) 72.47 ± 7.62 (52 to 93)
   50 to 59 years 7 4%
   60 to 69 years 41 24%
   70 to 79 years 83 48%
   80 to 89 years 26 15%
   90 to 99 years 1 1%
   Unspecified 15 9%
Comorbidities   
   Diabetes 5 3%
   Smoking 5 3%
   Hypertension 21 12%
   Hypercholesterolaemia 6 3%
   Cardiac status 25 14%
   Obesity 7 4%
   Stroke 5 3%
   Pulmonary status 21 12%
   Renal status 10 6%
   Other* 23 13%
   Peripheral vascular disease 7 4%
   Carotid disease 1 1%
Number of comorbidities   
   0 or unspecified 114 66%
   1 or 2 26 15%
   ≥3 33 19%
AAA diameter 59.78 ± 11.04 42 to 95
Incomplete follow-up adherence 8 5%
   Time interval between EVAR and complication (months) 13.73 ± 16.11 0 to 85
   Perioperative, up to 24 hours 31 18%
   Initial, up to 30 days post-operative 28 16%
   Short term, 30 days to 6 months 15 9%
   Early mid-term, 6 months to 2 1/2 years 62 36%
   Late mid-term, 2 1/2 years to 5 years 23 13%
   Long term, > 5 years 4 2%
   Unspecified 10 6%
  1. *Other comorbidities that were described in the case reports included: active hepatitis C, alcohol abuse, arteriocaval fistula, bilateral gunshot injury, chemoradiation, cholangitis, Crohn's disease, factor VII deficiency, degenerative joint disease of lumbar spine, hemicolectomy, 'hostile' abdomen, hyperthyreoidectomy, hypoplastic marrow, liver cirrhosis, lymphoma, multiple gastrointestinal and urogenital operations, non-Hodgkin's lymphoma, pancreatoduodenectomy, pancytopenia, polycystic kidney disease, prostate cancer, rectal cancer, sigmoid resection and renal transplantation. †'Incomplete follow-up adherence' is defined by the patient missing one or more follow-up visits or refusing a re-intervention. AAA, abdominal aortic aneurysm; EVAR, endovascular abdominal aortic aneurysm repair; SD, standard deviation.