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Shanghai Journal of Preventive Medicine ; (12): 466-470, 2023.
Article Dans Chinois | WPRIM | ID: wpr-978410

Résumé

ObjectiveTo assess the coverage and effectiveness of COVID-19 vaccines in the elderly. MethodsThis study was conducted in Changning District of Shanghai, targeting people aged 60 years and above. Vaccination data between 21 December 2020 and 28 February 2022 was retrieved from the Shanghai Collective Immunization System. Information on confirmed cases of COVID-19 from March 2022 through May 2022 was collected from the National Notifiable Diseases Reporting System. Vaccine effectiveness was calculated using the screening method. ResultsAs of 28 February 2022, 69.89% of people aged ≥60 years had received ≥1-dose vaccine, 63.80% had received full primary vaccination and 31.91% had received a booster dose. Vaccination coverage declined over age, with the lowest coverage in the elderly aged ≥80 years. Moreover, COVID-19 vaccination provided the highest protection against severe/critical illness and death due to the Omicron variants in the elderly aged ≥60 years. Full primary vaccination showed 96.15%(95%CI:84.15‒99.06)of vaccine effectiveness and booster vaccination showed 100% of the effectiveness against severe/critical COVID-19 and death. ConclusionsFull primary and booster vaccination coverage in the elderly is low, especially in those aged 80 and above. Our study finds high protection against COVID-19 associated severe/critical illness and death from both full primary and booster vaccination of inactivated COVID-19 vaccines in the elderly aged ≥60 years.

2.
Cancer Research on Prevention and Treatment ; (12): 727-732, 2021.
Article Dans Chinois | WPRIM | ID: wpr-988439

Résumé

Objective To analyze the secular trends of pancreatic cancer incidence and mortality in Changning district of Shanghai from 1974 to 2013. Methods We calculated the age-standardized rates of incidence and mortality and the average annual percent changes for pancreatic cancer using Segi's world standard population and the data from Shanghai Cancer Registry. Age-period-cohort model was constructed to further assess the effect of age, diagnosis period and birth cohort on the secular trends of pancreatic cancer incidence and mortality. Results During 1974-2013, the age-standardized incidence and mortality rates were 6.49/105 and 6.01/105 in male, 4.83/105 and 4.57/105 in female, respectively. The age-standardized incidence was increased by 0.8% per year in male during past 40 years, while there was no change in mortality. The age-standardized incidence and mortality rates were increased by 1.6% and 1.3% per year in female. After adjusting the effects of diagnosis period and birth cohort, the incidence and mortality rates of pancreatic cancer increased by about 11% every 5 years older in both male and female. Diagnosis period and birth cohort had no statistical impact on the incidence and mortality of pancreatic cancer. Conclusion The age-standardized incidence of pancreatic cancer shows significantly rising trends during 1974-2013 in both male and female in Changning district of Shanghai, as well as the age-standardized mortality in female. The incidence and mortality rates also increase with age.

3.
Journal of Medical Postgraduates ; (12)2003.
Article Dans Chinois | WPRIM | ID: wpr-591948

Résumé

Objective: To investigate the relationship between the serum ferritin concentration and insulin resistance in patients with impaired glucose tolerance(IGT).Methods: The serum ferritin concentration and insulin levels were measured in 40 IGT patients(20 with normal body weight and 20 with obesity),and 40 healthy controls.Blood glucose levels,HbA1C,blood adipose and urine protein concentration were obtained simultaneously.Results: In the IGT patients,the serum ferritin concentration was correlated with Hba1c but not with any other indexes,and it was significantly higher than in the normal controls.Significant differences were observed between the two groups in all the indexes but the fasting insulin level.Conclusion: The serum ferritin concentration increases in IGT patients,which implicates some association of ferritin with glucose metabolism and insulin resistance.

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