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Table 3 Associationsa of environmental variables with different types of stroke

From: Association between stroke occurrence and changes in atmospheric circulation

Variable

Lag

RR

95% CI

p

RR

95% CI

p

Ā Ā 

Univariate association

Multivariate model

SAH

ā€ƒĪ”AP (per 10ā€‰hPa)

0

1.20

0.98ā€“1.47

0.082

Ā Ā Ā 

ā€ƒĪ”AP >ā€‰3.9ā€‰hPa

0

1.48

1.12ā€“1.94

0.005

1.49

1.14ā€“1.96

0.004

ā€ƒRH >ā€‰96.5%

1

1.93

1.14ā€“3.28

0.015

2.05

1.21ā€“3.50

0.008

ā€ƒCC >ā€‰3.95

0

1.36

1.05ā€“1.76

0.022

1.42

1.09ā€“1.84

0.008

ā€ƒNINO3.4

0

0.87

0.75ā€“1.01

0.065

Ā Ā Ā 

ā€ƒNINO3.4ā€‰>ā€‰1.14

0

0.32

0.16ā€“0.67

0.002

0.34

0.16ā€“0.69

0.003

ICH

ā€ƒĪ”T >ā€‰2.6ā€‰Ā°C

0

1.27

0.98ā€“1.63

0.071

Ā Ā Ā 

ā€ƒĪ”AP >ā€‰9.55ā€‰hPa

1

1.48

1.08ā€“2.02

0.014

1.51

1.10ā€“2.06

0.010

ā€ƒRH >ā€‰66.5%

1

1.39

1.00ā€“1.93

0.051

Ā Ā Ā 

ā€ƒĪ”RH <ā€‰7.5%

0

1.39

1.06ā€“1.83

0.017

1.42

1.08ā€“1.87

0.013

ā€ƒCC >ā€‰1.35

1

2.17

1.16ā€“4.06

0.016

2.17

1.16ā€“4.07

0.016

ā€ƒEA/WRI

0

1.16

1.05ā€“1.30

0.005

1.16

1.04ā€“1.29

0.006

ā€ƒNINO3.4ā€‰>ā€‰0.11

0

1.23

1.04ā€“1.46

0.017

Ā Ā Ā 

HS

ā€ƒĪ”AP >ā€‰3.9ā€‰hPa

0

1.27

1.08ā€“1.49

0.003

1.25

1.06ā€“1.46

0.008

ā€ƒĪ”AP >ā€‰9.55ā€‰hPa

1

1.40

1.07ā€“1.82

0.013

1.36

1.04ā€“1.77

0.023

ā€ƒĪ”RH <ā€‰7.5%

0

1.32

1.06ā€“1.64

0.015

1.28

1.03ā€“1.46

0.028

ā€ƒCC >ā€‰3.95

0

1.20

1.03ā€“1.39

0.017

1.21

1.04ā€“1.41

0.012

ā€ƒEA/WRI

0

1.13

1.04ā€“1.23

0.006

1.13

1.04ā€“1.23

0.006

IS

ā€ƒĪ”T >ā€‰2.2ā€‰Ā°C

0

1.13

1.03ā€“1.25

0.009

1.12

1.01ā€“1.23

0.024

ā€ƒRH >ā€‰53.5%

1

1.46

1.12ā€“1.90

0.005

1.41

1.09ā€“1.84

0.010

ā€ƒAOI (per 1)

0

0.97

0.94ā€“0.99

0.008

0.98

0.95ā€“1.00

0.053

ā€ƒAOI (per 1)

1

0.97

0.95ā€“1.00

0.034

Ā Ā Ā 

ā€ƒAOI (per 1)

2

0.98

0.96ā€“1.00

0.092

Ā Ā Ā 

ā€ƒSCAI

0

1.04

1.00ā€“1.08

0.089

Ā Ā Ā 

ā€ƒSCAI>ā€‰0.25

0

1.12

1.04ā€“1.21

0.002

1.10

1.02ā€“1.18

0.015

ā€ƒNINO3.4ā€‰<ā€‰āˆ’1.60

0

1.25

1.09ā€“1.44

0.002

1.24

1.08ā€“1.43

0.003

ā€ƒEA/WRIā€‰<ā€‰-1.81

0

1.73

1.41ā€“2.12

<ā€‰0.001

1.59

1.29ā€“1.96

<ā€‰0.001

  1. a adjusting for the linear trend, the month, the day of the week, and air temperature
  2. Ī”APā€‰=ā€‰(mean daily AP on the same day) ā€“ (mean daily AP on the previous day)