Clinical factor			Points
Confusion			1
Blood urea nitrogen > 19 mg per dL (6.8 mmol per L)			1
Respiratory rate ≥ 30 breaths per minute			1
Systolic blood pressure < 90 mm Hg			1
	or
Diastolic blood pressure ≤ 60 mm Hg
Age ≥65 years			1
		Total points:	________