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Table 2 Allografts’ characteristics

From: Angiotensin II receptor 1 antibodies associate with post-transplant focal segmental glomerulosclerosis and proteinuria

 

FSGS n = 49

No FSGS n = 51

p-value

Type of donation

DKTa: 15/49 (30.5%)

DKT: 9/51 (17.5%)

0.1291

LKTb: 34/49 (69.5%)

LKT: 42/51 (82.5%)

 

Induction immunosuppression

rATGc: 42/49 (86%)

rATG: 41/51 (80%)

0.4787

Other: 7/49 (14%)

Other: 10/51 (20%)

 

Maintenance immunosuppression

Standardd: 44/49 (90%)

Standard: 50/51 (98%)

0.0827

Non standard: 5/49 (10%)

Non standard: 1/51 (2%)

 

Previous one renal transplant

14/49 (28.5%)

19/51 (37%)

0.3559

Previous two or more renal transplants

10/49 (20%)

5/51 (10%)

0.1376

Median Cr at time of biopsy (IQR)

1.50 (1.10–1.98)

1.20 (1.00–1.90)

0.1770

Median eGFR at time of biopsy (IQR)

49 (36.5–63.5)

49 (34–65)

0.7113

Median proteinuria at time of biopsy (IQR)

1.65 (0.41–2.99)

0.175 (0.07–0.37)

< 0.00001

Presence of donor specific antibodies

Negative 14/49 (28.5%)

Negative 19/51 (37%)

0.5697

Low positive 11/49 (22.5%)

Low positive 12/51 (23%)

 

Positive 24/49 (49%)

Positive 20/51 (40%)

 

Biopsy proven ABMRf

15/49 (30.5%)

13/51 (25.5%)

0.5684

Biopsy proven CMRg

5/49 (10%)

4/51 (8%)

0.6800

Biopsy proven AMR and CMR (mixed)

1/49 (2%)

2/51 (4%)

0.5815

  1. There were no statistically significant differences between FSGS group and comparison group in type of donation, induction immunosuppression, maintenance immunosuppression, number of previous transplants, presence of donor specific antibodies, presence of biopsy proven AMR or CMR or mixed rejection
  2. aDeceased Kidney Transplant
  3. bLiving Kidney Transplant
  4. cRabbit anti-thymocyte globulin
  5. dStandard immunosuppression: Mycophenolate mofetil, tacrolimus, prednisone. Non standard: any other
  6. eHLA antibody testing was performed with pre and post transplant patients’ sera using the Luminex™ pooled HLA antigen (LMX), the phenotype bead assay (LMID) (Immucor-Lifecodes, Stamford, CT) and a single antigen panel (One Lambda, Canoga Park, CA)
  7. fAntibody-mediated rejection
  8. gCell-mediated rejection
  9. Data are presented as proportions followed by percentage (%) unless otherwise specified