Table 1 Characteristics of daily admissions for IS in 122 districts/counties, Hunan, 2018–2019.
From: Associations of heatwaves and their characteristics with ischaemic stroke hospital admissions
Variables | Mean (standard deviation) | Minimum value | 25th centile | 50th centile | 75th centile | Maximum value | H/U | p-value |
|---|---|---|---|---|---|---|---|---|
Age | ||||||||
<60 years old | 0.76(1.03) | 0 | 0 | 0 | 1 | 11 | 1.28 × 107 | <0.001 |
≥ 60 years old | 2.96(2.78) | 0 | 1 | 2 | 4 | 29 | ||
Sex | ||||||||
Male | 2.15(2.16) | 0 | 1 | 2 | 3 | 19 | 5.03 × 106 | <0.001 |
Female | 1.54(1.73) | 0 | 0 | 1 | 2 | 19 | ||
The day in the heat wave | ||||||||
The 1st-2nd day of the heat wave | 4.08(3.33) | 0 | 1 | 3 | 6 | 24 | 2.93 | 0.231 |
The 3rd-4th days of the heat wave | 4.05(3.13) | 0 | 2 | 3 | 6 | 24 | ||
The 5th and subsequent days of the heat wave | 3.86(3.02) | 0 | 1 | 3 | 5 | 19 | ||
The timing of the heat wave | ||||||||
The first heat wave | 4.03(3.36) | 0 | 1 | 3 | 6 | 24 | 34.94* | 0.001 |
The second heat wave | 4.28(3.14) | 0 | 2 | 4 | 6 | 20 | ||
The third and subsequent heatwaves | 3.63(2.86) | 0 | 1 | 3 | 5 | 15 | ||
Meteorological factors during heatwaves | ||||||||
Low RH during heatwaves(<70%) | 3.05(2.80) | 1 | 1 | 3 | 5 | 19 | 39.54* | <0.001 |
Medium RH during heatwaves(70-77%) | 3.84(3.12) | 0 | 1 | 3 | 5 | 24 | ||
High RH during heatwaves(>77%) | 4.32(3.28) | 0 | 2 | 3 | 6 | 24 | ||
Low DTR during heatwaves(<10℃) | 4.20(3.21) | 0 | 2 | 3 | 6 | 24 | 2.22 × 106 | <0.001 |
High DTR during heatwaves(≥ 10℃) | 3.74(3.08) | 0 | 1 | 3 | 5 | 24 | ||
Low AT during heatwaves (<31℃) | 3.90(3.18) | 0 | 1 | 3 | 5 | 24 | 1.91 × 106 | 0.013 |
High AT during heatwaves (≥ 31℃) | 4.09(3.12) | 0 | 2 | 3 | 6 | 24 | ||
