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Table 6 Comparisons of clinical, laboratory and pathological data in patients with lower plasma CFH level group

From: Clinical relevance of glomerular IgM deposition in patients with lupus nephritis

 

Lower plasma CFH level group

IgM 3+–4+

N = 30

IgM 0–2+

N = 135

P

Clinical evaluation

 Gender (male %)

6 (20.0%)

17 (12.6%)

0.380

 Age (mean ± s.d.) (years)

31.1 ± 10.5

33.3 ± 11.8

0.411

 SLEDAI (mean ± s.d.)

17.2 ± 5.2

18.0 ± 5.8

0.408

Laboratory assessment

 Hemoglobin (mean ± s.d.) (g/L)

100.9 ± 26.5

99.6 ± 25.7

0.859

 Urine protein (median; IQR) (g/24 h)

5.7 ± 3.1

4.6 ± 3.3

0.026

 Scr (mean ± s.d.) (μmol/L)

150.1 ± 121.0

124.7 ± 140.6

0.015

 Plasma C1q (mean ± s.d.) (μg/mL)

33.2 ± 18.8

33.2 ± 18.8

0.191

 Plasma C3 levels (mean ± s.d.) (g/L)

0.30 ± 0.2

0.44 ± 0.22

0.023

 Plasma C4 levels (mean ± s.d.) (g/L)

0.23 ± 0.17

0.21 ± 0.18

0.756

 Plasma CFH levels (mean ± s.d.) (μg/mL)

294.6 ± 131.1

338.7 ± 124.3

0.052

 Plasma soluble C5b-9 levels (mean ± s.d.) (ng/mL)

1225.9 ± 571.2

1271.4 ± 657.8

0.785

Pathological parameters

 AI (median; IQR)

8 (6, 10)

8 (4, 11)

0.695

 Endocapillary hypercellularity

3 (2, 3)

3 (1, 3)

0.620

 Cellular crescents

0 (0, 2)

0 (0, 2)

0.591

 Karyorrhexis/fibrinoid necrosis

0 (0, 2)

0 (0, 2)

0.640

 Subendothelial hyaline deposits

1 (1, 3)

1 (0, 2)

0.118

 Interstitial inflammatory cell infiltration

1 (1, 1)

1 (1, 2)

0.856

 Glomerular leukocyte infiltration

1 (1, 1)

1 (0, 1)

0.454

 CI (median; IQR)

2.5 (2, 4)

2 (2, 4)

0.368

 Glomerular sclerosis

0 (0, 1)

0 (0, 1)

0.970

 Fibrous crescents

0 (0, 1)

0 (0, 0)

0.228

 Tubular atrophy

1 (1, 1)

1 (1, 1)

0.481

 Interstitial fibrosis

1 (1, 1)

1 (1, 1)

0.604

  1. CFH complement factor H, s.d. standard deviation, SLEDAI Systemic Lupus Erythematosus Disease Activity Index, IQR interquartile range, AI activity indices, CI chronicity indices