II. Criteria (Mnemonic: ATLAS)
- Age
- Score 0: <60 years old
- Score 1: 60 to 79 years old
- Score 2: >=80 years old
- Treatment with Systemic concomitant Antibiotics for >1 day during C. difficile Management
- Score 0: No
- Score 2: Yes
-
Leukocytosis
- Score 0: <16,000 cells/uL
- Score 1: 16,000 to 25,000 cells/uL
- Score 2: >25,000 cells/uL
- Albumin
- Score 0: >35 g/L
- Score 1: 26 to 35 g/L
- Score 2: <=25 g/L
-
Serum Creatinine
- Score 0: <1.3 mg/dl
- Score 1: 1.4 to 2.0 mg/dl
- Score 2: >2.1 mg/dl
III. Interpretation: Total Score
- Mortality
- Score <3: 0% Mortality
- Score 3: 3.6% Mortality
- Score 4: 4.2% Mortality
- Score 5: 8.7% Mortality
- Score 6: 10.9% Mortality
- Score 7: 14.3% Mortality
- Score 8: 56% Mortality
IV. References
- ATLAS - A Bedside Scoring System, IDSA Abstract
- Miller (2013) BMC Infect Dis 13:148 +PMID: 23530807 [PubMed]