Table 1.
Fit for AAA repair (n=66) | Not fit for AAA repair (n=36) | p-value | |
---|---|---|---|
Median age at CPET (range) | 74 (49–88) | 77 (49–87) | 0.019† |
Sex | 0.365* | ||
Male | 62 (93.9%) | 32 (88.9%) | |
Female | 4 (6.1%) | 4 (11.1%) | |
Smoking status | 0.300* | ||
Non-smoker | 12 (18.2%) | 5 (13.9%) | |
Ex-smoker | 25 (37.9%) | 15 (41.7%) | |
Smoker | 23 (34.8%) | 9 (25.0%) | |
Unknown | 76 (9.1%) | 7 (19.4%) | |
Co-morbidities | |||
Median number per patient (range) | 3 (0–5) | 2 (0–5) | 0.321† |
Respiratory disease | 20 (30.3%) | 10 (32.3%) | 0.846* |
Hypercholesterolaemia | 54 (81.8%) | 27 (87.1%) | 0.514* |
Hypertension | 58 (87.9%) | 27 (84.4%) | 0.632* |
Diabetes | 8 (12.1%) | 1 (3.2%) | 0.264‡ |
Ischaemic heart disease | 32 (48.5%) | 12 (38.7%) | 0.367* |
CVA/TIA | 5 (7.6%) | 0 (0.0%) | 0.174‡ |
Heart failure | 4 (6.1%) | 3 (9.7%) | 0.677‡ |
Serum creatinine (range) | 99.5μmol/l (49–275μmol/l) | 104μmol/l (55–748μmol/l) | 0.563† |
AAA = abdominal aortic aneurysm; CPET = cardiopulmonary exercise testing; CVA = cerebrovascular accident; TIA = transient ischaemic attack
Pearson's chi-square test;
Mann–Whitney U test;
Fisher's exact test
(The data on co-morbidities for five patients ‘not fit for repair' were incomplete. Percentages and p-values are based on a reduced sample of n=31.)