Critically Ill Patients with Renal Hyperfiltration: Optimizing Antibiotic Dose

Table 2

The ARC risk scoring systems. Modified from Hobbs et al. [3] and Baptista et al. [8].

	ARC scoring system	ARCTIC scoring system
Criteria	Age ≤ 50 years = 6 points	SCr < 62 μmol/L = 3 points
	Trauma on admission = 3 points	Male sex = 2 points
	SOFA ≤ 4 = 1 point	Age < 56 years = 4 points
		Age: 56–75 years = 3 points
Interpretation	0–6 points: low risk	<6 points: low ARC risk
	7–10 points: high-risk	>6 points: high ARC risk
Sensitivity	100%	84%
Specificity	71%	68%