Association of anti-nuclesome and anti C1q antibodies with lupus nephritis in an Egyptian cohort of patients with systemic lupus erythematosus

Table 5 Relationship between anti-C1q antibody and renal histopathology in patients with LN

Renal biopsy, n (%)	Positive anti-C1q (N = 23)	Negative anti-C1q (N = 17)	x²	P value
Lupus nephritis class I	0 (0)	0 (0)	0.000	0.000
Lupus nephritis class II	2 (8.7)	3 (17.6)	0.716	0.397
Lupus nephritis class III	9 (39.1)	4 (23.5)	0.589	0.443
Lupus nephritis class II- III	5 (21.7)	1 (5.9)	1.928	0.165
Lupus nephritis class IV	4 (17.4)	7 (41.2)	2.774	0.096
Lupus nephritis class V	3 (13)	0 (0)	2.397	0.122
Lupus nephritis class II & V	0 (0)	2 (11.8)	2.848	0.091

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