Related Experiment Video
Updated: Oct 1, 2026
A Simple Approach to Induce Experimental Autoimmune Neuritis in C57BL/6 Mice for Functional and Neuropathological Assessments
Published on: November 9, 2017
Distinct pattern of age-specific incidence of Guillain-Barré syndrome in Harbin, China
Qi Cheng1, De-Sheng Wang, Guo-Xin Jiang
1Division of Neurology, Huddinge University Hospital, Sweden. Qi.Cheng@neurotec.ki.se
Insights
This study reports the incidence of Guillain-Barré syndrome (GBS) in Harbin, China. GBS incidence was lower in the elderly compared to Western populations, with the highest rates in the youngest age group.
Area of Science:
- Neurology
- Epidemiology
- Public Health
Background:
- Guillain-Barré syndrome (GBS) is a rare neurological disorder.
- Understanding GBS incidence is crucial for public health planning.
Purpose of the Study:
- To determine the age- and sex-specific incidence of Guillain-Barré syndrome (GBS) in Harbin, China.
- To compare GBS incidence patterns with those reported in Western countries.
Main Methods:
- Prospective survey of 5.4 million inhabitants in Harbin, China (Oct 1997-Sep 1998).
- Physician reporting of GBS cases, validated by senior neurologists.
- Hospital admission register screening and 6-month patient follow-up.
Main Results:
- Confirmed GBS diagnosis in 71 patients.
- Overall age-adjusted GBS incidence was 0.66 per 100,000 person-years.
- Highest incidence in the youngest age group; lower incidence in the elderly compared to Western data.
- Male to female ratio of GBS incidence was 1.4.
Conclusions:
- The age-specific incidence of GBS in Harbin shows a distinct pattern, particularly lower rates in the elderly.
- Further research is needed to explore the reasons for these observed epidemiological differences.
Abstract:
We describe the age-and sex-specific incidence of Guillain-Barré syndrome (GBS) in Harbin, China, based on the information from a prospective survey among a well-defined large population during one year. A network of physicians reported incident patients with a GBS diagnosis from a general population of 5.4 million inhabitants in Harbin, China, during the period from 1 October 1997 to 30 September 1998. Each reported patient was examined by senior neurologists and the GBS diagnosis was validated according to standard diagnostic criteria. All GBS patients were followed-up for six months after onset. Admission registers at all hospitals in Harbin were also checked afterwards for screening patients with a GBS diagnosis who might have been missed. During the study period, 79 patients with a GBS diagnosis were reported. After validation, the GBS diagnosis was confirmed in 70 patients. Another GBS patient was found through the screening of admission registers at hospitals. Among them, 36 GBS patients were residents in Harbin and the other 35 patients were from geographical areas out of Harbin. The GBS incidence, age-adjusted to the European standard population, was 0.66 (95% CI 0.46-0.91) per 100,000 person-years, with a male to female ratio of 1.4. The highest GBS incidence was found in the youngest age-group and the incidence among the elderly was remarkably lower than those reported from other populations in Western countries. Possible explanations for the distinct pattern of age-specific incidence of GBS are discussed. Further studies are needed.