Table 1

General characteristics of hospitalisations of unruptured intracranial aneurysm treated in Germany 2005 to 2009

CoilingClipping
Total number (n=10 221)60984123
Gender, % (n)
 Men28.6 (n=1 744)32.0 (n=1 319)
 Women71.4 (n=4 354)68.0 (n=2 804)
Mean age in years (SD)
 Men53.4 (12.7)51.5 (12.4)
 Women54.1 (12.1)52.9 (11.3)
Charlson comorbidity index (SD)*1.17 (1.0)1.45 (1.0)
Mean length of stay in days (SD)8 (9.2)16 (10.1)
In-hospital mortality, % (n)
 Men1.38 (n=24)2.65 (n=35)
 Women0.94 (n=41)2.00 (n=56)
Ventricular shunt placement, % (n)0.6 (n=34)1.7 (n=70)
Temporary ventricular drainage, % (n)1.5 (n=94)6.3 (n=259)
  • *Modified Charlson comorbidity index.