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Publication Temperature variability Extreme heat MORTALITY

Fluctuating temperature modifies heat-mortality association around the globe

Wu Y, Wen B, Li S, Gasparrini A, Tong S, Overcenco A, Urban A, Schneider A, Entezari A, Vicedo-Cabrera AM, Zanobetti A, Analitis A, Zeka A, Tobias A, Alahmad B, Armstrong B, Forsberg B, Iniguez C, Ameling C, De la Cruz Valencia C, Astrom C, Houthuijs D, Van Dung D, Roye D, Indermitte E, Lavigne E, Mayvaneh F, Acquaotta F, de'Donato F, Sera F, Carrasco-Escobar G, Kan H, Orru H, Kim H, Holobaca IH, Kysely J, Madureira J, Schwartz J, Katsouyanni K, Hurtado-Diaz M, Ragettli MS, Hashizume M, Pascal M, de Sousa Zanotti Stagliorio Coelho M, Scovronick N, Michelozzi P, Goodman P, Nascimento Saldiva PH, Abrutzky R, Osorio S, Dang TN, Colistro V, Huber V, Lee W, Seposo X, Honda Y, Bell ML, Guo Y.

Studies have investigated the effects of heat and temperature variability (TV) on mortality. However, few assessed whether TV modifies the heat-mortality association.TV was calculated as the standard deviation of the average of the same and previous days’ minimum and maximum temperatures.TV had a significant modification effect on the heat-mortality association, causing a higher heat-related mortality burden with increments of TV. Implementing targeted strategies against heat exposure and fluctuant temperatures simultaneously would benefit public health.

Fluctuating temperature modifies heat-mortality association around the globe
March 2022