Research Article

Acute Kidney Injury after Major Abdominal Surgery: A Retrospective Cohort Analysis

Table 4

Postoperative complications, length of stay, and mortality.

Postoperative
complications
No AKI
( )
AKI
( )

Hemorrhage (%)23 (6.6)22 (21.8)<0.0001
Anastomotic leak (%)11 (3.2)10 (10)0.005
Surgical site infection (%)53 (15.2)18 (17.8)0.521
Need for MV (%)6 (1.7)5 (4.9)0.064
Admission to ICU (%)6 (1.7)6 (5.9)0.021
Length of PACU stay (days)3.6 (7.1)6.9 (11.7)<0.0001
Length of hospital stay (days)11.1 (11.3)15.2 (16.1)0.004
PACU mortality (%)4 (1.1)16 (15.8)<0.0001
In-hospital mortality (%)8 (2.3)21 (20.8)<0.0001

AKI: acute kidney injury. PACU: Post-Anaesthesia Care Unit. MV: mechanical ventilation. ICU: intensive care unit.