Table 5. Scores attributed to the selected variables regarding each of the four components of PIRO.

P score	Points	I score	Points	R score	Points	O score	Points
Age		Type of infection		Altered temperature		Hypotension	3
≤60 years	0	CAI	0	No	0	SOFA>0	1
61–80	1	HCAI	1	Fever	−1
>80	3	HAI	2	Hypothermia	1
Male	1			Hyperglycemia	1
Previous ATB	1			Tachypneia	1
Chronic hepatic disease	4			Severity of infection
Chronic haematologic disease	3			Infection or sepsis	0
Cancer	3			Severe sepsis	1
Atherosclerosis	1			Septic shock	4
Karnovsky<70	2
TOTAL possible points	18		2		7		4

P score – Predisposition score, I score – Insult/Infection score, R score – Host Response score, O score – Organ dysfunction score, ATB – antibiotic therapy, CAI – community-acquired infection, HCAI – healthcare-associated infection, HAI – hospital acquired infection, SOFA – Sepsis-related Organ Failure Assessment.