Table 3. Postoperative morbidity and mortality.
| Transperitoneal ( n = 24) | Retroperitoneal ( n = 33) | p -Value | |||
|---|---|---|---|---|---|
| Morbidity: | |||||
| POMS score [median (IQR)] | 1.0 (1.0–2.75) | 0.0 (0.0–0.5) | < 0.001 | ||
| POMS score ≥ 1 [ n (%)] | 19 | (79) | 8 | (24) | < 0.001 |
| Complication: | |||||
| Pulmonary [ n (%)] | 6 | (25) | 1 | (3) | 0.034 |
| Infection [ n (%)] | 3 | (13) | 1 | (3) | 0.300 |
| Renal [ n (%)] | 5 | (21) | 4 | (12) | 0.470 |
| Gastrointestinal [ n (%)] | 15 | (63) | 0 | (0) | < 0.001 |
| Cardiovascular [ n (%)] | 2 | (8) | 0 | (0) | 0.173 |
| Neurological [ n (%)] | 1 | (4) | 0 | (0) | 0.421 |
| Hematological [ n (%)] | 1 | (4) | 0 | (0) | 0.421 |
| Wound [ n (%)] | 1 | (4) | 1 | (3) | 1.000 |
| Pain [ n (%)] | 4 | (17) | 2 | (6) | 0.227 |
| Hernias/Bulges [ n (%)] | 2 | (8) | 3 | (9) | 1.000 |
| Length of stay: | |||||
| Hospital days [median (IQR)] | 10.5 (8.0–17.3) | 7.0 (6.0–8.5) | 0.001 | ||
| HDU days [median (IQR)] | 2.5 (2.0–3.0) | 2.0 (2.0–2.0) | < 0.001 | ||
| ICU days [median (IQR)] | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.558 | ||
| All-cause mortality: | |||||
| 30 d [ n (%)] | 1 | (4) | 0 | (0) | 0.421 |
| 90 d [ n (%)] | 1 | (4) | 0 | (0) | 0.421 |
| 2 y [ n (%)] | 1 | (4) | 1 | (3) | 1.000 |
| Survival days [median (IQR)] | 1,507 (359–1,594) | 1,597 (766–2,589) | 0.345 | ||
Abbreviations: HDU, high dependency unit; ICU, intensive care unit; IQR, interquartile range; POMS, Postoperative Morbidity Survey (completed on day 5 after the operation).
Note: Values are median (IQR), frequency ( n /%), or mean ± standard deviation (SD). Abdominal aortic aneurysm (AAA) mortality classified within International Classification of Diseases, Tenth Revision (ICD-10) I71 “Aortic aneurysm and dissection.” p -Values obtained using independent samples t -tests, Chi-square tests, or Fisher's exact tests where cell counts were insufficient.