Table 5.
Comparison of frequency of MwA symptoms between three groups categorized by the MACS.
| Type of symptoms |
MwA-S (n = 129 auras) |
MwA-MC (n = 112 auras) |
MwA-C (n = 73 auras) |
Statistics |
|---|---|---|---|---|
| Scotoma, n (%) | 125 (96.9) | 112 (100) | 73 (100) | P = 0.608 |
| Zig-zag lines, n (%) | 74 (57.4) | 94 (83.9) | 22 (30.1) | P = 0.101 |
| Tunnel vision, n (%) | 6 (4.7) | 18 (16.1) | 16 (22.0) | P = 0.252 |
| Somatosensory aura affecting hand, n (%) | 6 (4.6) | 79 (70.5) | 70 (95.9) | P < 0.001 (MwA-S vs. MwA-MC, p < 0.001; MwA-S vs. MwA-C, p < 0.001) |
| Somatosensory aura affecting head, n (%) | 3 (2.3) | 64 (57.1) | 70 (95.9) | P < 0.001 (MwA-S vs. MwA-MC, p = 0.002; MwA-S vs. MwA-C, p < 0.001) |
| Somatosensory aura affecting leg, n (%) |
1 (0.7) | 21 (18.7) | 16 (22.0) | P = 0.250 |
| Visual higher cortical dysfunctions, n (%) |
0 (0) | 0 (0) | 21 (28.8) | P = 0.017 |
| Somatosensory higher cortical dysfunctions, n (%) | 0 (0) | 23 (20.5) | 52 (72.1) | P = 0.001 (MwA-S vs. MwA-C, p = 0.007) |
| Dysphasic higher cortical dysfunctions, n (%) | 2 (1.6) | 29 (25.9) | 72 (98.6) | P < 0.001 (MwA-S vs. MwA-MC, p = 0.013; MwA-S vs. MwA-C, p < 0.001; MwA-MC vs. MwA-C, p = 0.004) |
| MACS (≥4.5 points), n (%) | 0 (0) | 19 (18.2) | 67 (85.0) | P < 0.001 (MwA-S vs. MwA-MC, p < 0.001; MwA-S vs. MwA-C, p < 0.001; MwA-MC vs. MwA-C, p < 0.001) |
MACS, Migraine Aura Complexity Score; MwA-S, patients who have migraine with simple auras; MwA-MC, patients who have migraine with moderately complex auras; MwA-C, patients who have migraine with complex auras.