Table 3

The different influencing factors on kidney length pole to pole, cortical and parenchymal width in multivariate regression models

Right side

Factor

β

P value

Step of entry

Kidney length (pole to pole)

Height

0.35

<0.001

1

BMI

0.22

<0.001

2

Stenosis of renal arteries

-0.15

<0.001

3

Male gender

0.2

<0.001

4

Cranial position

0.16

<0.001

5

Ventral position

-0.157

<0.001

6

Absence of left kidney

0.102

<0.001

7

Parapelvic cysts

0.09

= 0.001

8

Cortical width

Male gender

0.123

<0.002

3

Age

-0.114

= 0.001

2

BMI

0.105

= 0.002

1

Caudal position

-0.084

= 0.019

7

Stenosis of renal arteries

-0.074

= 0.024

5

Absence of left kidney

0.71

= 0.021

4

Parapelvic cysts

-0.071

= 0.022

6

Number of renal arteries

0.069

= 0.026

8

Parenchymal width

Male gender

0.22

<0.001

1

BMI

0.15

<0.001

3

Height

0.12

<0.001

2

Ventral position

-0.1

= 0.005

4

Parapelvic cysts

-0.1

<0.001

5

Caudal position

-0.09

= 0.005

7

Absence of the left kidney

0.084

= 0.004

6

Age

-0.73

= 0.026

8

Left side

Factor

β

P value

Step of entry

Kidney length (pole to pole)

Height

0.34

<0.001

1

BMI

0.19

<0.001

2

Male gender

0.17

<0.001

5

Ventral position

-0.14

<0.001

6

Cranial position

0.13

<0.001

7

Absence of right kidney

0.1

<0.001

4

Number of renal arteries

0.1

<0.001

3

Stenoses of renal arteries

-0.07

= 0.01

8

Previous infarction

-0.07

= 0.014

9

Cortical width

BMI

0.152

<0.001

3

Age

-0.151

<0.001

2

Male gender

0.142

<0.001

1

Absence of the right kidney

0.079

= 0.012

4

Parenchymal width

BMI

0.19

<0.001

1

Height

0.17

<0.001

2

Male gender

0.14

<0.001

3

Age

-0.14

<0.001

4

Absence of the right kidney

0.11

<0.001

5

Stenosis of a renal artery

-0.09

= 0.003

6

Constriction of the left renal vein in the aortomesenteric angle

-0.08

= 0.012

7

Glodny et al. BMC Urology 2009 9:19   doi:10.1186/1471-2490-9-19