From: Cytokines in primary headache disorders: a systematic review and meta-analysis
Cytokine | N of studies | Total participants | Std. Mean Difference (95% CI) Effect Estimate | P Value | I2 |
---|---|---|---|---|---|
IL-2 | 2 | 187 | -5.48 (-14.13, 3.17) | 0.21 | 99% |
IL-8 | 3 | 242 | 1.08 (-1.02, 3.18) | 0.31 | 98% |
TGF-β | 2 | 168 | 0.52 (0.18, 0.86) | 0.003 | 0% |
TNF-α | 2 | 165 | 0.64 (0.33, 0.96) | 0.0001 | 0% |