gms | German Medical Science

67th Annual Meeting of the German Society of Neurosurgery (DGNC)
Joint Meeting with the Korean Neurosurgical Society (KNS)

German Society of Neurosurgery (DGNC)

12 - 15 June 2016, Frankfurt am Main

Age-related incidence of subarachnoid hemorrhage in Germany – A big data approach

Meeting Abstract

  • Athanasios K. Petridis - Neurochirurgische Klinik, Universitätsklinikum Düsseldorf, Germany
  • Igor Fischer - Neurochirurgische Klinik, Universitätsklinikum Düsseldorf, Germany
  • Florian Ringel - Neurochirurgische Klinik und Poliklinik, Klinikum rechts der Isar der TU München, Germany
  • Jan Cornelius - Neurochirurgische Klinik, Universitätsklinikum Düsseldorf, Germany
  • Hans Jakob Steiger - Neurochirurgische Klinik, Universitätsklinikum Düsseldorf, Germany

Deutsche Gesellschaft für Neurochirurgie. 67. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), 1. Joint Meeting mit der Koreanischen Gesellschaft für Neurochirurgie (KNS). Frankfurt am Main, 12.-15.06.2016. Düsseldorf: German Medical Science GMS Publishing House; 2016. DocMI.14.04

doi: 10.3205/16dgnc316, urn:nbn:de:0183-16dgnc3163

Published: June 8, 2016

© 2016 Petridis et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 License. See license information at



Objective: The age specific risk of subarachnoid hemorrhage (SAH) can be only imperfectly modeled from single- or multicenter registries. We tried to calculate the age-related annual risk of SAH by the use of the National Database of the Federal Statistic Agency (Statistisches Bundesamt). The analysis was based on the data records of five consecutive years.

Method: Detailed datasets were requested from the Federal Statistic Agency (Statistisches Bundesamt Wiesbaden). All patients admitted to a German hospital with the main ICD code I60 for non-traumatic SAH from the years 2009-2013 were analyzed. Absolute numbers of admissions where analyzed and age-specific incidence rates were calculated through comparison with the demographic distribution in Germany for the year 2011.

Results: The overall numbers of SAH in the recorded years in the German population of 80 million citizens were stable and varied only between 10895 and 11104 per year which would represent an average incidence of 13.8 per 100000 / year independent of age. With respect to age, incidence rates were small in the age group under 20 years (1.3 / 100,000 / year) (and increased up to an intermediate maximum between 45 and 65 (mean: 22 / 100,000 / year). The rates decreased in the age group of 65-70 years (15 /100,000 / year) and then increased again to a peak in the age group of 80-85 years (34 / 100,000/ year).

Conclusions: The present analysis provided precise data regarding current rates of SAH in Germany, excluding patients not admitted to any hospital. In addition, more detailed information could be obtained regarding the age-specific risk profile of subarachnoid hemorrhage. The reason for the relatively lower incidence rate in the generation born during or shortly after the war remains unclear.