Table 1 Baseline characteristics.

From: Impact of kidney transplantation on the risk of retinal vein occlusion in end-stage renal disease

Variables

ESRD (n = 10,498)

KT (n = 10,498)

Healthy controls (n = 10,498)

P-value

Age, years, n (%)

45.87 ± 10.57

45.87 ± 10.57

45.87 ± 10.57

> 0.999

20–29

771 (7.3)

771 (7.3)

771 (7.3)

 

30–39

2186 (20.8)

2186 (20.8)

2186 (20.8)

 

40–49

3378 (32.2)

3378 (32.2)

3378 (32.2)

 

50–59

3139 (29.9)

3139 (29.9)

3139 (29.9)

 

60–69

974 (9.3)

974 (9.3)

974 (9.3)

 

70–79

48 (0.5)

48 (0.5)

48 (0.5)

 

≥ 80

2 (0.02)

2 (0.02)

2 (0.02)

 

Gender, male, n (%)

6200 (59.1)

6200 (59.1)

6200 (59.1)

> 0.999

Index year, n (%)

   

> 0.999

2007–2009

2628 (25.03)

2628 (25.03)

2628 (25.03)

 

2010–2012

3643 (34.7)

3643 (34.7)

3643 (34.7)

 

2013–2015

4227 (40.26)

4227 (40.26)

4227 (40.26)

 

Income status, n (%)

Medical aid

2432 (23.17)

1496 (14.25)

261 (2.49)

 

Q1

2895 (27.58)

2111 (20.11)

2710 (25.81)

 

Q2

2179 (20.76)

2056 (19.58)

2570 (24.48)

 

Q3

1751 (16.68)

2204 (20.99)

2449 (23.33)

 

Q4

1241 (11.82)

2631 (25.06)

2508 (23.89)

 

DM, n (%)

4231 (40.3)

4231 (40.3)

661 (6.3)

< 0.001

HTN, n (%)

9576 (91.22)

9576 (91.22)

1748 (16.65)

< 0.001

Dyslipidemia, n (%)

4441 (42.3)

5904 (56.24)

1245 (11.86)

< 0.001

Dialysis modality, n (%)

Preemptive

0 (0)

3383 (32.23)

10,498 (100)

 

Hemodialysis

7781 (74.12)

4663 (44.42)

0 (0)

 

Peritoneal dialysis

2145 (20.43)

1777 (16.93)

0 (0)

 

Mixed

572 (5.45)

675 (6.43)

0 (0)

 

Desensitization, n (%)

   

< 0.001

Yes

0 (0)

1619 (15.42)

0 (0)

 

No

10,498 (100)

8879 (84.58)

10,498 (100)

 

Induction, n (%)

   

< 0.001

Not use

10,498 (100)

563 (5.36)

10,498 (100)

 

ATG

0 (0)

884 (8.42)

0 (0)

 

Basiliximab

0 (0)

9051 (86.22)

0 (0)

 

Maintenance, n (%)

   

< 0.001

Not use

10,498 (100)

253 (2.41)

10,498 (100)

 

Tacrolimus

0 (0)

8565 (81.59)

0 (0)

 

Cyslosporine

0 (0)

1680 (16)

0 (0)

 
  1. Expressed with the number of cases (proportion). Comparison was performed using student t-test and chi-square test.
  2. ATG anti-thymocyte globulin, CI confidence interval, ESRD end stage renal disease, DM diabetes mellitus, HTN hypertension, Income status divided into four income classes by National health insurance premium (Q1: lowest, Q4: highest), KT kidney transplantation.