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

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

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