Hypocomplementemia as a Risk Factor for Organ Damage Accrual in Patients with Systemic Lupus Erythematosus

Table 3

Comparisons of frequency and severity of damage accrual by SLICC damage index (SDI) between SLE patient with normal (NC) and low complement levels (HC).

SDI feature	NC ()		HC ever ()		value
	(%)	Median (CI)	(%)	Median (CI)
Any damage	19 (57.6)		41 (59.4)		0.91
Final SDI score		2 (1, 3)		2 (1, 3)	0.82
Final SDI
0	14 (42.4)		28 (40.6)		0.94
1-3	15 (45.5)		31 (44.9)
> 3	4 (12.1)		10 (14.5)
Organ damage site
Eye	2 (6.1)	1 (1, 1)	3 (4.3)	1 (1, 1)	0.13
Neurological	4 (12.1)	2 (2, 3)	15 (21.7)	1 (1, 2)	0.45
Renal	1 (3.0)	1 (1, 1)	9 (13.0)	1 (1, 2)	0.48
Pulmonary	3 (9.1)	1 (1, 1)	4 (5.8)	1 (1, 1)	0.91
Heart	6 (18.2)	1 (1, 1)	9 (13.0)	1 (1, 2)	0.31
Peripheral vascular	3 (9.1)	1 (1, 1)	4 (5.8)	1 (1, 2)	0.94
MSK	6 (18.2)	1 (1, 1)	15 (21.7)	1 (1, 2)	0.80
Skin	2 (6.1)	1.5 (1, 2)	1 (1.4)	2 (2, 2)	0.24
Gonadal	1 (3.0)	1 (1, 1)	3 (4.3)	1 (1, 1)	0.38
Endocrine	0 (0.0)	0 (0, 0)	1 (1.4)	1 (1, 1)	0.50
Malignancy	6 (18.2)	1 (1, 2)	7 (10.1)	1 (1, 1)	0.98