Table 2 Surgical approaches of nephrectomy, crude risks of in-hospital complications and adjusted relative risks of complications in Germany 2005-2006

Complications (%)

Gastrointestinal

0.7

1.2

1.6

0.66

0.45-0.97

1.46

0.98-2.16

Respiratory

2.8

2.7

1.8

1.11

0.91-1.36

0.75

0.53-1.06

Bleeding or acute posthaemorrhage anemia

18.5

19.0

11.9

1.08

1.01-1.16

0.69

0.61-0.78

Bleeding or acute posthaemorrhage anemia requiring blood transfusion

12.1

14.4

7.2

0.96

0.88-1.05

0.57

0.48-0.67

Urologic

2.7

2.3

1.3

1.40

1.14-1.72

0.68

0.45-1.03

Infection

1.9

1.9

1.7

1.08

0.85-1.38

0.97

0.67-1.39