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Table 2 Risk factors for headache in ischemic stroke patients in China

From: Prevalence and risk factors of ischemic stroke-related headache in China: a systematic review and meta-analysis

Variables

No. of studies

No. of Total Participants

No. of Cases

OR

95%CI

Heterogeneity Test

I2 (%)

P

History of headachea

3

741

202

3.24

2.26–4.65

0

0.47

Female gendera

3

741

202

2.06

1.44–2.96

0

0.40

Midbrain lesionsa

2

554

107

3.56

1.86–6.83

0

0.92

Posterior circulation stroke

1

11,523

848

2.13

1.14–4.32

  
  1. No Number, a analysis based on random-effects model