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Table 2 Factors associated with stroke according to Cox regression

From: Association between hypertensive pregnancy disorders and future risk of stroke in Taiwan: a Nationwide population-based retrospective case-control study

Variables

Crude HR

95% CI

95% CI

P

Adjusted HR

95% CI

95% CI

P

Hypertensive pregnancy disorders

 Without

Reference

   

Reference

   

 With

2.704

2.326

3.144

< 0.001

2.134

1.817

2.505

< 0.001

Age group (years)

 12–19

Reference

   

Reference

   

 20–29

1.105

1.048

1.261

0.029

1.306

1.137

1.942

< 0.001

 30–39

1.129

1.060

1.278

0.024

1.215

1.087

1.320

0.011

 40–49

1.094

0.452

1.413

0.367

1.285

0.913

1.248

0.218

 ≧50

0.341

0.158

1.012

0.055

0.537

0.084

1.065

0.066

Insured premium (USD)

  < 7200

Reference

   

Reference

   

 7200-13,999

1.458

0.149

2.271

0.224

1.966

0.522

2.582

0.249

  ≥ 14,000

1.755

0.447

2.425

0.124

2.650

0.157

4.762

0.179

DM

4.190

3.532

4.970

< 0.001

1.449

1.277

1.874

< 0.001

HTN

7.696

6.742

8.903

< 0.001

4.274

3.616

5.050

< 0.001

Hyperlipidemia

8.175

6.559

10.177

< 0.001

3.061

2.415

3.886

< 0.001

Obesity

2.607

0.910

6.490

0.067

1.115

0.418

2.995

0.584

Heart disease

4.027

3.353

4.837

< 0.001

2.136

1.761

2.589

< 0.001

CKD

4.444

3.466

5.699

< 0.001

2.356

1.829

3.041

< 0.001

4 (The lowest)

Reference

   

Reference

   

Level of care

 Hospital center

1.876

1.592

2.213

< 0.001

1.631

1.349

1.972

< 0.001

 Regional hospital

1.209

1.020

1.436

0.011

2.133

0.885

1.251

0.242

 Local hospital

Reference

   

Reference

   
  1. HR hazard ratio, CI confidence interval, Adjusted HR: Adjusted for variables listed in the table
  2. Adjusted variables: geographical area of residence, urbanization level of residence, and season
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