ArticleNeurocritical care2015
A population-based study of the incidence and case fatality of non-aneurysmal subarachnoid hemorrhage.
Article in Neurocritical care, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it, 11 citations in OpenAlex.
- Subarachnoid haemorrhage with negative initial neurovascular imaging: a systematic review and meta-analysis.Acta neurochirurgica · 2019Pooled it
- Epidemiology and treatment of atraumatic subarachnoid hemorrhage over 10 years in a population-based registry.European stroke journal · 2024Article
- Subarachnoid Hemorrhage and COVID-19: An Analysis of 282,718 Patients.World neurosurgery · 2021Article
- A Population-Based Study of the Incidence of Acute Spinal Cord Infarction.Journal of vascular and interventional neurology · 2017Article
- A Population-Based Study of the Incidence and Case Fatality of Intracerebral Hemorrhage of Undetermined Etiology.Journal of vascular and interventional neurology · 2015Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
backgroundThere is a paucity of reliable and recent data regarding epidemiology of non-aneurysmal subarachnoid hemorrhage (SAH) in population-based studies.
objectivesTo determine the incidence and case fatality of non-aneurysmal SAH using a population-based design.
methodsMedical records and angiographic data of all patients from Stearns and Benton Counties, Minnesota, admitted with SAH were reviewed to identify incident case of non-aneurysmal SAH. Patients with a first-time diagnosis of non-aneurysmal SAH (based on two negative cerebral angiograms performed ≥7 days apart) between June 1st, 2012 and June 30th, 2014 were considered incident cases. We calculated the incidences of non-aneurysmal and aneurysmal SAH adjusted for age and sex based on the 2010 US census.
resultsOf the 18 identified SAH among 189,093 resident populations, five were true incident cases of non-aneurysmal SAH in this population-based study. The age- and sex-adjusted incidence of non-aneurysmal SAH were 2.8 [95 % confidence interval (CI) 2.7-2·9] per 100,000 person-years which was lower than aneurysmal SAH incidence of 7.2 [95 % CI 7.1-7.4] per 100,000 person-years. The age-adjusted incidence of non-aneurysmal SAH was similar (compared with aneurysmal SAH) among men; 3.2 [95 % CI 3.1-3.3] per 100,000 person-years versus 2.2 [95 % CI 2.1-2.3] per 100,000 person-years, respectively. The age-adjusted case fatality rate at 3 months was 4.46 and 0.0 per 100,000 persons for aneurysmal and non-aneurysmal SAH, respectively.
conclusionsThe incidence of non-aneurysmal SAH was higher than previously reported particularly among men.
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