Anticoagulation Strategies in Venovenous Hemodialysis in Critically Ill Patients: A Five-Year Evaluation in a Surgical Intensive Care Unit

Table 1

Characteristics of patients on renal replacement therapy on ICU admission.

Age (years)	65 [53.2–72.6]
Gender, male (%)	7347 (69.0)
ICU stay (days)	26 [14–45]
ICU survival, (%)	6341 (59.6)
Health scoring on admission
APACHE-II	23 [19–30]
SAPS-II	51 [39–64]
Referring department, (%)
Cardiac surgery	5500 (51.7)
Abdominal/visceral and vascular surgery	4074 (38.3)
Traumatology	389 (3.7)
Neurosurgery	225 (2.1)
Internal medicine	185 (1.7)
Other^*	269 (2.5)
Need for RRT, (%)
On admission	932 (8.8)
After discharge	2556 (24.0)

Urology, gynecology, ear, nose, and throat, and maxillofacial surgery; ICU: intensive care unit; APACHE-II: acute physiology and chronic health evaluation; SAPS-II: simplified acute physiology score; RRT: renal replacement therapy.