Table 1.
Demographic and clinical characteristics of VBM studies on migraine in the meta-analysis
| Study | Total migraine | HC | Disease | Mean frequency of migraine | Mean duration of migraine | Estimated | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||||
| Number (Male) | Age (years) (mean ± SD) | Number (Male) | Age (years) (mean ± SD) | Sub group | Number (Male) | Age (years) (mean ± SD) | Duration (year) | Attacks per year | Attacks (h) | Lifetime frequency | |
| JH Kim et al. [20] (2008) | 20 (3) | 33.7 ± 11.3 | 33 (4) | 33.8 ± 10.5 | MA | 5 (2) | NA | 9.8 ± 6.0 | 32.7 ± 10.9 | 21.8 ± 13.1 | 347.1 ± 257.7 |
| MO | 15 (1) | NA | NA | NA | NA | NA | |||||
| Maria et al. [21] (2006) | 16 (1) | 42.7 | 15 (2) | 38.6 | MA | 7 (1) | 42.7 | 20.6±8.9 | 20.3 | NA | NA |
| MO | 9 (1) | NA | NA | NA | NA | NA | |||||
| Matharu et al. [18] (2003) | 28 (2) | 31 | 28 (2) | NA | MA | 11 (1) | 31 | NA | NA | NA | NA |
| MO | 17 (1) | 34 | NA | NA | NA | NA | |||||
| Walter et al. [19] (2007) | 27 (6) | 34.9 ± 8.4 | 27 (6) | 34.9 ± 8.6 | Episodic | 11 (2) | 32.1 ± 8.7 | 20.6 ± 8.9 | NA | 27.3 ± 15.5 | 141.6 ± 116.4 |
| Chronic | 16 (4) | 38.9 ± 6.4 | NA | NA | NA | NA | |||||
| Schmidt et al. [37] (2008) | 32 (0) | 32.4 ± 9.2 | 31 (0) | 32.3 ± 12.6 | mM | 19 (0) | NA | NA | NA | NA | NA |
| nmM | 16 (0) | NA | NA | NA | NA | NA | |||||
Key: HC: healthy control. MA: migraine with aura; MO: migraine without aura; NA: not available; SD: standard deviation; VBM: voxel-based morphometry. Mm: menstrual migraine; nmM: not menstrual migraine.