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Risk factors for headache in ischemic stroke patients in China
| 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 | ||
No Number, a analysis based on random-effects model
