Initial model

Final model

n/N

RC

CI 95%

P value

RCa

CI 95%

P value

Occupation

0.0583

0.0500

Private

2/54

1

1

Public sector

5/41

6.86

[1.07 - 66.20]

7.08

[1.13 - 67.62]

Vascular access

0.0569

0.0498**

AVF

1/48

1

1

Simple/Permanent catheter

6/47

10.20

[1.30 - 228.65]

10.69

[1.40 - 236.25]

Initial nephropathy

0.0130

0.0098**

others

1/62

1

1

Glomerular

6/33

20.68

[2.63 - 464.17]

22.06

[2.97 - 481.23]

High blood pressure

0.7935

No

4/78

1

yes

3/17

1.29

[0.16 - 8.46]