Predictors of severe lupus flare: a prospective follow-up study

BMC Rheumatology

Table 4 Multivariable linear regression model to assess the predictors of SLEDAI according to variables recorded at the first visit

Independent variables at the first visit	SLEDAI
	2nd visit			3rd visit			4th visit			5th visit			6th visit
	B	95% CI		B	95% CI		B	95% CI		B	95% CI		Β	95% CI
Anti-ds-DNA*	1.28	0.24	2.32	1.47	0.45	2.48	2.15	1.09	3.21				3.07	1.07	5.07
Low C3*	2.93	1.65	4.22
Low C4*	− 1.56	− 2.88	− 0.24
24-hour urine protein*	0.002	0.001	0.003	0.002	0.001	0.003	0.002	0.001	0.003	0.002	0.001	0.003
Arthritis*	4.83	2.21	7.44	3.47	0.91	6.04				3.84	0.96	6.73
Other Independent Variables from Table 3	Removed via backward elimination			Removed via backward elimination			Removed via backward elimination			Removed via backward elimination			Removed via backward elimination

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