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Table 4 Characteristics of Patients with positive expression of PLA2R and LN-V

From: Diagnostic performance of glomerular PLA2R and THSD7A antibodies in biopsy confirmed primary membranous nephropathy in South Africans

 

PMN (PLA2R positive)

(n = 21)

LN-V

(n = 19)

p

Age (years)

44.71

33.8 ± 13.9

0.02

Female gender [n (%)]

11 (52.4)

17 (89.5)

0.01

Race (Black) [n, %]

7 (33.3)

7 (36.8)

0.82

mABP (mmHg)

93.7 ± 10.8

85.7 ± 8.0

0.03

Presence of oedema [n (%)]

12 (57.14)

8 (42.11)

0.34

Hb (g/dL)

12.1 ± 1.9

10.6 ± 2.3

0.03

Platelet count (x109/L)

363.3 ± 147.5

307.4 ± 149.5

0.28

WBC count (x109/L)

7.8 ± 2.0

8.5 ± 4.6

0.53

Total cholesterol (mmol/L)

9.9 (8.7–11.8)

4.6 (3.7–5.8)

0.002

Serum albumin (g/L)

22.8 ± 6.28

25.45 ± 7.35

0.30

UPCR (g/mmol creatinine)

0.9 (0.7–1.1)

0.54 (0.3–0.8)

0.04

Serum creatinine (µmol/L)

88.0 (64.0–106.0)

72.0 (51.0–123.0)

0.65

eGFR (mL/min/1.73 m2)

85.0 (54.0–111.0)

98.0 (49.0–137.0)

0.74

Number of glomeruli per view (n)

14 (10–20)

16 (8–20)

0.97

Tubular atrophy [n (%)]

5 (23.8)

4 (21.1)

0.83

Interstitial fibrosis [n (%)]

5 (23.8)

7 (36.8)

0.37

Immunohistochemistry:

   

• IgG [n (%)]

18 (85.7)

16 (84.2)

0.89

• IgA [n (%)]

5 (23.8)

7 (36.8)

0.37

• IgM [n (%)]

11 (52.4)

13 (68.4)

0.30

• C3 [n (%)]

17 (80.9)

10 (52.6)

0.06

  1. mABP Mean Arterial Blood Pressure; Hb Haemoglobin; WBC White Blood Cell; UPCR Urine Protein Creatinine Ratio; eGFR estimated glomerular filtration rate; IgA Immunoglobulin A; IgG Immunoglobulin G; IgM Immunoglobulin M; C3 Complement factor 3; PLA2R phospholipase A-2 receptor
  2. The 24-hour value of proteinuria (g/24Hrs) is approximately 10-times the ratio of the UPCR in g/mmol creatinine