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Exposure to low humidex increases the risk of hip fracture admissions in a subtropical coastal Chinese city.
Ji, Yanhu; Huang, Zepeng; Yuan, Zhongjia; Xiong, Jianping; Li, Liping.
Afiliación
  • Ji Y; School of Public Health, Shantou University, 515063 Shantou, China.
  • Huang Z; The Second Affiliated Hospital of Shantou University Medical College, 515041 Shantou, China.
  • Yuan Z; Shantou Central Hospital, 515031 Shantou, China.
  • Xiong J; The First Affiliated Hospital of Shantou University Medical College, 515041 Shantou, China.
  • Li L; School of Public Health, Shantou University, 515063 Shantou, China. Electronic address: lpli@stu.edu.cn.
Bone ; 181: 117032, 2024 Apr.
Article en En | MEDLINE | ID: mdl-38307177
ABSTRACT

OBJECTIVE:

The adverse impacts of meteorological factors on human health have attracted great attention. However, no studies have investigated the nonlinear effects of humidex on hip fractures (HF), particularly in middle-aged and older adults. This study aimed to quantify the impacts of humidex, a comprehensive index of temperature and relative humidity, on HF admissions.

METHODS:

Daily HF admissions, meteorological variables and air pollutants in the subtropical coastal city of Shantou, China, from 2015 to 2020 were collected. A generalized linear regression model combined with a distributed lag nonlinear model was applied to explore the exposure-lag-response relationship between humidex and HF admissions. Subgroup analyses were also conducted by gender, age and season. Attributable fractions (AF) and attributable numbers (AN) were used to represent the burden of disease.

RESULTS:

A total of 6200 HF admissions were identified during the study period. Taking the median humidex (31.9) as a reference, the single-day lag effects of low humidex (13, 2.5th percentile) were significant at lag 0 [relative risk (RR) = 1.145, 95 % confidence interval (CI) 1.041-1.259] to lag 2 (RR = 1.049, 95 % CI 1.010-1.089). The cumulative lag effects of low humidex were significant at lag 0-0 (RR = 1.145, 95 % CI 1.041-1.259) to lag 0-6 (RR = 1.258, 95 % CI 1.010-1.567) and reached a maximum at lag 0-3 (RR = 1.330, 95 % CI 1.113-1.590). High humidex (44, 97.5th percentile) was not associated with the risk of HF. Females and people over the age of 75 appeared to be more susceptible to low humidex. In addition, the adverse effects of low humidex were more pronounced in the cold season. The AF and AN of low humidex on HF admissions were 24.8 % (95 % CI 10.2-37.1 %) and 1538, respectively.

CONCLUSION:

Low humidex was associated with an increased risk of HF admissions. The government should take timely measures to prevent people from being exposed to low humidex to effectively reduce HF admissions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fracturas de Cadera / Hospitalización Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Aged / Female / Humans / Middle aged País/Región como asunto: Asia Idioma: En Revista: Bone Asunto de la revista: METABOLISMO / ORTOPEDIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fracturas de Cadera / Hospitalización Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Aged / Female / Humans / Middle aged País/Región como asunto: Asia Idioma: En Revista: Bone Asunto de la revista: METABOLISMO / ORTOPEDIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos