Table 1. Demographics.
| Transperitoneal ( n = 24) | Retroperitoneal ( n = 33) | p -Value | |||
|---|---|---|---|---|---|
| Physiology/biochemistry: | |||||
| Age (y) | 71 ± 8 | 71 ± 6 | 0.968 | ||
| Male:female | 17:7 | 32:1 | 0.007 | ||
| IMD quintile [median (IQR)] | 2 (1–4) | 3 (1–5) | 0.512 | ||
| BMI (kg/m 2 ) | 27.7 ± 3.6 | 27.7 ± 3.5 | 1.000 | ||
| Hb (g/dL) | 14.4 ± 1.0 | 14.0 ± 1.1 | 0.123 | ||
| Creatinine (μmol/L) | 95 ± 13 | 93 ± 15 | 0.654 | ||
| eGFR (mL/min/1.73 m 2 ) | 68 ± 13 | 75 ± 14 | 0.054 | ||
| Comorbidities: | |||||
| Current smoker [ n (%)] | 12 | (50) | 23 | (70) | 0.132 |
| Past smoker [ n (%)] | 21 | (88) | 30 | (91) | 0.689 |
| IHD [ n (%)] | 6 | (25) | 5 | (15) | 0.499 |
| Hypertension [ n (%)] | 16 | (57) | 15 | (45) | 0.516 |
| Diabetes [ n (%)] | 1 | (4) | 1 | (3) | 1.000 |
| COPD [ n (%)] | 2 | (8) | 2 | (6) | 1.000 |
| Medication: | |||||
| Aspirin [ n (%)] | 11 | (46) | 22 | (67) | 0.116 |
| Warfarin [ n (%)] | 1 | (4) | 1 | (3) | 1.000 |
| Clopidogrel [ n (%)] | 2 | (8) | 0 | (0) | 0.173 |
| α/β-blockers [ n (%)] | 1 | (4) | 1 | (3) | 1.000 |
| ACEi [ n (%)] | 6 | (25) | 16 | (48) | 0.072 |
| Statins [ n (%)] | 15 | (63) | 28 | (85) | 0.053 |
| Calcium channel antagonists [ n (%)] | 1 | (4) | 1 | (3) | 1.000 |
| Surgical factors: | |||||
| Aneurysm size (cm) | 6.0 ± 0.6 | 6.2 ± 0.7 | 0.328 | ||
| IR clamp [ n (%)] | 23 | (96) | 21 | (64) | 0.004 |
| SR clamp [ n (%)] | 1 | (4) | 10 | (30) | 0.017 |
| SC clamp [ n (%)] | 0 | (0) | 2 | (6) | 0.504 |
Abbreviations: ACEi, angiotensin-converting enzyme inhibitors; BMI, body mass index; COPD, chronic obstructive pulmonary disease; eGFR, estimated glomerular filtration rate; Hb, hemoglobin; IHD, ischemic heart disease; IMD, index of multiple deprivation scores adjusted to Lower Super Output Areas; IQR, interquartile range; IR, infrarenal; SC, supraceliac; SR, suprarenal.
Note: Values are mean ± standard deviation (SD) or number/percent. p -Values obtained using independent samples t -tests or Mann–Whitney U -tests, Chi-square tests, or Fisher's exact tests where cell counts were insufficient.