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Table 3 Cumulative relative risks of extreme hot and extreme cold temperatures on daily mortality, compared with the minimum mortality temperature

From: Effects of ambient temperature on mortality among elderly residents of Chengdu city in Southwest China, 2016–2020: a distributed-lag non-linear time series analysis

 

Lag

Total mortality

Cardiovascular mortality

Respiratory mortality

Cerebrovascular mortality

IHD mortality

Extreme hot

0–1

1.18 (1.13,1.22)*

1.31 (1.24,1.39)*

1.25 (1.17,1.34)*

1.26 (1.16,1.38)*

1.28 (1.14,1.44)*

 

0–3

1.22 (1.17,1.28)*

1.40 (1.30,1.50)*

1.34 (1.24,1.46)*

1.33 (1.20,1.47)*

1.38 (1.20,1.58)*

 

0–7

1.17 (1.11,1.23)*

1.30 (1.20,1.41)*

1.30 (1.19,1.43)*

1.26 (1.12,1.41)*

1.29 (1.10,1.15)*

 

0–14

1.14 (1.06,1.23)*

1.28 (1.14,1.43)*

1.27 (1.11,1.45)*

1.25 (1.06,1.47)*

1.24 (0.98,1.56)

Extreme cold

0–1

0.94 (0.90,0.99)

1.01 (0.94,1.08)

0.91 (0.84,0.97)

1.07 (0.96,1.18)

0.93 (0.82,1.06)

 

0–3

1.00 (0.94,1.06)

1.06 (0.97,1.15)

0.96 (0.88,1.05)

1.11 (0.99,1.26)

0.97 (0.83,1.13)

 

0–7

1.18 (1.10,1.26)*

1.23 (1.11,1.36)*

1.16 (1.04,1.29)*

1.23 (1.06,1.43)*

1.09 (0.90,1.31)

 

0–14

1.32 (1.19,1.46)*

1.45 (1.24,1.68)*

1.28 (1.09,1.50)*

1.36 (1.09,1.70)*

1.26 (0.95,1.68)

  1. Extreme cold temperature: 1st percentile of temperature, 3 °C; extreme hot temperature: 99th percentile of temperature, 29 °C; minimum mortality temperature for total non-accidental, cardiovascular, respiratory, cerebrovascular, and ischemic heart disease mortality: 21.5 °C, 21 °C, 20 °C, 21 °C, and 20.5 °C, respectively
  2. * p < 0.05