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Table 2 Meta-analysis outcomes

From: Risk Factors of Stroke in Western and Asian Countries: A Systematic Review and Meta-analysis of Prospective Cohort Studies

Risk factors

Number of references (Western)

Endpoints/Individuals (Western)

Pooled HR (Western)

Pooled 95% CI (Western)

P (Western)

Number of references (Asian)

Endpoints/Individuals (Asian)

Pooled HR (Asian)

Pooled 95% CI (Asian)

P (Asian)

BMI (kg/m 2 )

          

22.0-24.9

  

1.000

Ref. Group

   

1.000

Ref. Group

 

18. 5–21. 9

3F

447**/1,917

0.96(1)

0.93 ~ 0.99(1)

0.010*

5R

1,124**/9,985

0.97(9)

0.88 ~ 1.08(9)

0.626

≥25.0

4R

389**/1,917

1.21(1)

0.99 ~ 1.48(1)

0.159

4R

2,233**/9,985

1.28(9)

1.15 ~ 1.46(9)

0.000*

SBP (mm Hg)

          

<120

  

1.000

Ref. Group

   

1.000

Ref. Group

 

120-139

2F

14**/332

1.28(2)

0.96 ~ 1.70(2)

0.094

2R

81**/689

2.29(10)

1.04 ~ 5.09(10)

0.041*

≥140

2R

22**/332

2.39(2)

1.44 ~ 3.97(2)

0.000*

2R

30**/689

6.22(10)

2.27 ~ 17.08(10)

0.000*

Hypertension

          

No

  

1.000

Ref. Group

   

1.000

Ref. Group

 

Yes

5R

715/1,747

1.79(3)

1.39 ~ 2.30(3)

0.000*

4R

80**/825

2.84(11)

2.10 ~ 3.82(11)

0.000*

Diabetes

          

No

  

1.000

Ref. Group

   

1.000

Ref. Group

 

Yes

9R

667**/2,941

1.85(4)

1.43 ~ 2.38(4)

0.000*

5R

816**/5,860

1.95(12)

1.42 ~ 2.67(12)

0.000*

Cardiac causes #

          

No

  

1.000

Ref. Group

   

1.000

Ref. Group

 

Yes

6R

558**/2,511

1.74(5)

1.47 ~ 2.04(5)

0.000*

1F

431/2,403

1.87(13)

1.45 ~ 2.42(13)

0.000*

Cardiac causes (Atrial fibrillation)

          

No

  

1.000

Ref. Group

  

1.000

Ref. Group

  

Yes

3F

96**/1,062

1.59(6)

1.33 ~ 1.90(6)

0.000*

1F

265/2,403

2.30(14)

1.50 ~ 3.53(14)

0.000*

Smoking

          

No

  

1.000

Ref. Group

   

1.000

Ref. Group

 

Yesâ–³

10R

960**/3,115

2.05(7)

1.68 ~ 2.49(7)

0.000*

5R

350**/858

1.27(15)

1.04 ~ 1.55(15)

0.020*

Smoking (former)

4R

135**/3,115

1.22(7)

0.94 ~ 1.59(7)

0.135

N/A

N/A

N/A

N/A

N/A

Smoking (Current)

5R

274**/3,115

2.27(7)

1.76 ~ 2.93(7)

0.000*

N/A

N/A

N/A

N/A

N/A

Smoking (≤20 Cigarettes/d)

3F

42**/3,115

2.31(7)

1.80 ~ 2.96(7)

0.000*

N/A

N/A

N/A

N/A

N/A

Smoking (>20 Cigarettes/d)

3F

30**/3,115

2.99(7)

2.31 ~ 3.86(7)

0.000*

N/A

N/A

N/A

N/A

N/A

Alcohol

          

No

  

1.000

Ref. Group

   

1.000

Ref. Group

 

Yesâ–³

4F

537**/1,708

0.89(8)

0.76 ~ 1.04(8)

0.477

3F

85**/734

1.28(16)

1.07 ~ 1.53(16)

0.011*

  1. *P values for comparison between the subjects who had a stroke and those who did not; **Insufficient data #Cardiac causes: Coronary heart disease, Left atrial hypertrophy, Angina, Atrial fibrillation; F: Fixed effects model, R: Random effects model; N/A, no data available. BMI, Body mass index; SBP, Systolic blood pressure; Smoking/former: smoking cessation; Alcohol: Often drunk, â–³The statistical significance between Western and Asian populations; (1)-(16): (Additional files 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16).