Predictors	Points assigned
Age, per year	Age, in years
Male sex	+10
History of cancer	+30
History of heart failure	+10
History of chronic lung disease	+10
Pulse rate ≥ 110/minute	+20
Systolic blood pressure < 100 mmHg	+30
Respiratory rate ≥ 30/minute*	+20
Temperature < 36 °C	+20
Altered mental status†	+60
Arterial oxygen saturation < 90%*	+20