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# Temperature-attributable deaths in South Korea split by avoidable and non-avoidable cause
- URL: https://www.coios.me/temperature-attributable-deaths-in-south-korea-split-by/
- Published: 2026-11-03T13:02:38.000Z
- Updated: 2026-11-03T17:56:38.000Z
- Description: Nearly one-third of temperature-attributable deaths in South Korea in 1990-2023 fell in preventable or treatable causes.
- Author: Daniel Ryan
- Tags: Tomorrow's world, A changing climate, South Korea, #peer-reviewed, #new, #item, #source-2026-11, #score-62

The study split temperature-attributable deaths in South Korea into avoidable and non-avoidable causes, using the OECD/Eurostat lists. Nationwide Statistics Korea mortality data for 1990-2023 were analysed with a time-stratified case-crossover design, modelling delayed nonlinear temperature effects. Non-optimum temperature accounted for 5.9% of avoidable deaths and 8.1% of non-avoidable deaths. Within avoidable deaths, it accounted for 9.7% of treatable and 4.3% of preventable deaths. Of all temperature-attributable deaths, 30.1% were avoidable, split 15.3% preventable and 14.8% treatable. Among avoidable causes, circulatory diseases were linked to both cold and heat and formed the largest share.

*Why it is interesting: Estimates of temperature-related mortality rarely separate deaths from causes that prevention or healthcare target. Here almost a third of temperature-attributable deaths fell in that avoidable group, led by circulatory diseases.*

Source

[International Journal of Epidemiology, 2 November 2026](https://doi.org/10.1093/ije/dyag246?ref=coios.me)

Paper

Avoidable mortality among temperature-attributable deaths in South Korea, 1990-2023

Authors

Oh J, Kang C, Lee W, Min J, Park J, Kim H

DOI

10.1093/ije/dyag246

Type

Peer-reviewed article

Design

Time-stratified case-crossover with distributed lag non-linear models, nationwide South Korean mortality records, 1990-2023

Verdict

New finding

Driver

[A changing climate](https://www.coios.me/d-climate/)