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Table 1 Definitions of 11 candidate prognostic variables possibly related to MRSA infection

From: Assessment of risk factors related to healthcare-associated methicillin-resistant Staphylococcus aureus infection at patient admission to an intensive care unit in Japan

Variable Definition
Age Years
Sex Male or female
Severe sepsis According to the criteria of the ACCP/SCCM consensus conference committee
Severe trauma AIS score greater than 2 for at least one region
Open wound Existence of open wound within 24 hrs of ICU admission
Emergency operation Emergency operation within 24 hrs of ICU admission
Intubation Intubation within 24 hrs, except extubation within 24 hrs of ICU admission
CVCs Insertion of central venous catheters within 24 hrs of ICU admission
Antibiotics Antibiotics administration within 24 hrs of ICU admission
Steroid History of steroid use or steroid administration within 24 hrs of ICU admission
Transferred Transferred from another hospital
  1. MRSA: methicillin-resistant Staphylococcus aureus; ACCP/SCCM: American College of Chest Physicians/Society of Critical Care Medicine; AIS: abbreviated injury scale; CVCs: central venous catheters.