Evidence map›Paper›PMID 38992778›Full record

ArticleMilitary Medical Research2024

Epidemiological trends of subarachnoid hemorrhage at global, regional, and national level: a trend analysis study from 1990 to 2021.

Bin Lv, Jin-Xin Lan, Yan-Fang Si, Yi-Fan Ren, Ming-Yu Li, Fang-Fang Guo, Ge Tang, Yang Bian, Xiao-Hui Wang, Rong-Ju Zhang and 6 more

Abstract read
In one paragraph

Article in Military Medical Research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 116 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
116citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

116 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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  8. Global burden of subarachnoid hemorrhage in young adults, 1990-2021: disparities, risk factors, and projections to 2050.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026
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56 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors.

Bin Lv *Department of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
Jin-Xin Lan *School of Medicine, Nankai University, Tianjin, 300071, China.
Yan-Fang Si *Department of Ophthalmology, the Eighth Medical Center, Affiliated to the Senion Department of Ophthalmology, the Third Medical Center, Chinese PLA General Hospital, Beijing, 100091, China.
Yi-Fan RenSchool of Medicine, Nankai University, Tianjin, 300071, China.
Ming-Yu LiDepartment of Internal Medicine, Gucheng County Hospital of Traditional Chinese Medicine, Hengshui, Hebei, 253800, China.
Fang-Fang GuoDepartment of Outpatient, No.13 Cadre Santatorium of Beijing Garrison, Beijing, 100393, China.
Ge TangDepartment of Neurology, Yongchuan Hospital Affiliated of Chongqing Medical University, Chongqing, 402160, China.
Yang BianDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
Xiao-Hui WangDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
Rong-Ju ZhangDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
Zhi-Hua DuDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
Xin-Feng LiuDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
Sheng-Yuan YuDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
Cheng-Lin TianDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China. tianchenglin@301hospital.com.cn.
Xiang-Yu CaoDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China. caoxiangyu301@126.com.
Jun WangDepartment of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China. wangjun301@126.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSubarachnoid hemorrhage (SAH) is a subtype of hemorrhagic stroke characterized by high mortality and low rates of full recovery. This study aimed to investigate the epidemiological characteristics of SAH between 1990 and 2021.

methodsData on SAH incidence, mortality, and disability-adjusted life-years (DALYs) from 1990 to 2021 were obtained from the Global Burden of Disease Study (GBD) 2021. Estimated annual percentage changes (EAPCs) were calculated to evaluate changes in the age-standardized rate (ASR) of incidence and mortality, as well as trends in SAH burden. The relationship between disease burden and sociodemographic index (SDI) was also analyzed.

resultsIn 2021, the incidence of SAH was found to be 37.09% higher than that in 1990; however, the age-standardized incidence rates (ASIRs) showed a decreased [EAPC: -1.52; 95% uncertainty interval (UI) -1.66 to -1.37]. Furthermore, both the number and rates of deaths and DALYs decreased over time. It was observed that females had lower rates compared to males. Among all regions, the high-income Asia Pacific region exhibited the highest ASIR (14.09/100,000; 95% UI 12.30/100,000 - 16.39/100,000) in 2021, with an EPAC for ASIR < 0 indicating decreasing trend over time for SAH ASIR. Oceania recorded the highest age-standardized mortality rates (ASMRs) and age-standardized DALYs rates among all regions in 2021 at values of respectively 8.61 (95% UI 6.03 - 11.95) and 285.62 (95% UI 209.42 - 379.65). The burden associated with SAH primarily affected individuals aged between 50 - 69 years old. Metabolic risks particularly elevated systolic blood pressure were identified as the main risk factors contributing towards increased disease burden associated with SAH when compared against environmental or occupational behavioral risks evaluated within the GBD framework.

conclusionsThe burden of SAH varies by gender, age group, and geographical region. Although the ASRs have shown a decline over time, the burden of SAH remains significant, especially in regions with middle and low-middle SDI levels. High systolic blood pressure stands out as a key risk factor for SAH. More specific supportive measures are necessary to alleviate the global burden of SAH.

Indexed as

Global Burden of DiseaseSubarachnoid HemorrhageAdultAgedAged, 80 and overDisability-Adjusted Life YearsFemaleGlobal HealthHumansIncidenceMaleMiddle AgedDisability-adjusted life-years (DALYs)Global Burden of Disease Study (GBD) 2021IncidenceMortalitySubarachnoid hemorrhage (SAH)

Identifiers

PMID38992778
PMCPMC11241879

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.