Table 4 Data and analyses
From: Reconceptualizing autonomic function testing in migraine: a systematic review and meta-analysis
Outcome or Subgroup | Studies | Participants | Statistical Method | Effect Estimate |
|---|---|---|---|---|
Deep Breathing | 7 | 692 | Std. Mean Difference (IV, Fixed, 95% CI) | -0.32 [-0.48, -0.16] |
Valsalva Ratio | 7 | 692 | Mean Difference (IV, Fixed, 95% CI) | -0.17 [-0.23, -0.10] |
Orthostatic Challenge | 7 | 692 | Std. Mean Difference (IV, Fixed, 95% CI) | -0.28 [-0.44, -0.13] |
Isometric Challenge | 7 | 692 | Std. Mean Difference (IV, Fixed, 95% CI) | -0.55 [-0.71, -0.39] |