<prompt> CURB-65 Includes-PaO2 less than 65 mmSevere AzotemiaCoagulopathyBase deficit acidosis  <response>: The CURB-65 criteria for pneumonia include five variablesa Confusion bUrea7 mmolL,Respiratory rate 30min d Blood pressure,systolic 90 mmHg or diastolic60 mmHg,e age 65 years.CURB-65 score of 1 or 2 are likely to be suitable for home treatment.With a score of 2, patients should be admitted to hospital.Among patients with scores 3,moality rates are very high and require admission to an ICU. Reference:Harrison s Medicine-18th edition,page no:2135. 