Table 3.

Establishment of the LUPHAS scoring system.

	Predictors	Points
L	Lymphocyte count
	⩾800/μl	1
	<800/μl	4
U	Urea
	⩽7.6 mmol/l	1
	>7.6 mmol/l	4
P	Maximum Prednisone dose in the past
	<60 mg/d	1
	⩾60 mg/d	5
H	History of Hydroxychloroquine use
	Yes	−3
	No	0
A	Age, year
	⩽20	1
	21–40	2
	41–60	3
	>60	4
S	qSOFA score
	0	0
	1	3
	⩾2	6

LUPHAS score was established by combining independent predictors, weighted by odds ratio values.

qSOFA, quick Sequential Organ Failure Assessment.