Table 3.

List of variables included in the risk score.

Variables		Score
Age	<60 years	0
	≥60 years	1
Natraemia	<133.6 mmol/l	1
	≥133.6 mmol/l	0
Blood urea	<8.0 mmol/l	0
	≥8.0 mmol/l	1
CRP	<42 mg/l	0
	>42 mg/l	1
NLR	<7.99	0
	≥7.99	1
LDH	<367 UI/l	0
	≥367 UI/l	1
Serum Albumin	<33.5 g/l	1
	>33.5 g/l	0
Total*	–	7

The risk score was calculated by the sum of the seven variables.

CRP: C-reactive protein, LDH: lactate dehydrogenase, NLR: neutrophil/lymphocyte ratio.