Table 2 Associated pathologic findings with decreased ipsilateral split renal function

Renal capsule invasion

1.53

1.11–2.12

0.010

Perirenal fat invasion

1.83

1.06–3.17

0.030

Renal sinus fat invasion

3.69

2.04–6.67

 < 0.001

Sarcomatous component

3.41

0.95–12.2

0.059

Lymphatic invasion

3.07

0.73–13.0

0.127

Venous invasion

3.29

1.47–7.37

0.005

Collecting duct system invasion

4.91

1.40–17.2

0.013

Necrosis present

3.25

2.19–4.82

 < 0.001