Table 4.

SIRS, sepsis and severe sepsis diagnostic criteria

SIRS: 2 or more of the following:

• Temperature < 36 C or > 38.3 C.

• Heart rate > 90 beats per minute

• Breath rate > 20 breaths per minute.

• Abnormal white blood cell count:

○ > 12,000/μL,

○ or < 4,000/μL,

○ or > 10% immature neutrophil (band) forms.

Sepsis: SIRS + known or documented infection.

➢ Hospital admission must contain ICD-9 code for sepsis or septicemia.

Severe sepsis: Sepsis + organ dysfunction.

• Overall SOFA score ≥ 3.