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Table 4 Multivariate linear regression models

From: Serum cystatin C is a determinant of central pressure augmentation index measured by oscillometric method in renal transplant recipients

 

Estimate

Confidence interval 95%

p value

R2

Model 1

  

<0.001

0.302

Intercept

-27.1

-42.1 to -12.1

<0.001

 

Age

0.319

0.163 to 0.475

<0.001

 

Time on dialysis

0.781

0.289 to 1.273

0.002

 

Transplantation time

-0.403

-0.682 to -0.124

0.004

 

SBP

0.275

0.174 to 0.375

<0.001

 

Model 2

  

<0.001

0.345

Intercept

-28.8

-45.0 to -12.6

<0.001

 

Age

0.251

0.07 to 0.428

0.006

 

Time on dialysis

0.745

0.231 to 1.258

0.005

 

Transplantation time

-0.456

-0.764 to -0.148

0.004

 

SBP

0.245

0.136 to 0.355

<0.001

 

Cystatin C

5.81

2.60 to 9.03

<0.001

 

Model 3

  

<0.001

0.346

Intercept

-24.5

-46.7 to -2.34

0.03

 

Age

0.246

0.067 to 0.425

0.007

 

Time on dialysis

0.741

0.223 to 1.26

0.005

 

Transplantation time

-0.453

-0.764 to -0.141

0.005

 

SBP

0.245

0.133 to 0.357

<0.001

 

Cystatin C

4.82

0.234 to 9.40

0.039

 

eGFR

-0.045

-0.185 to 0.095

0.53

 

Model 4

  

<0.001

0.388

Intercept

3.23

-60.6 to 67.0

0.92

 

Age

0.241

0.066 to 0.416

0.005

 

Time on dialysis

0.636

0.123 to 1.15

0.01

 

Transplantation time

-0.436

-0.741 to -0.130

0.005

 

SBP

0.266

0.155 to 0.376

<0.001

 

Cystatin C

5.70

1.19 to 10.20

0.01

 

eGFR

-0.012

-0.151 to 0.127

0.87

 

Height

-22.3

-53.9 to 9.17

0.16

 

Gender

3.27

-2.89 to 9.43

0.3

 
  1. P values below 0.05 mean that the covariate is significantly and independently associated to AIx.
  2. SBP: Systolic Blood Pressure. eGFR: Estimated-GFR estimation (MDRD Study equation). Variables displayed with a bold font are added to the previous model.