Table 1.
The relationship between the atmospheric pressure and migraine incidence
| MA (n = 22) | MOA (n = 12) | Total (%) | TTH (n = 28) (control group) | p value | |
|---|---|---|---|---|---|
| Gender (female) | 21 | 10 | 19 | ns | |
| Ave. age | 34 ± 4.8 | 33 ± 2.8 | 39 ± 6.4 | ns | |
| Atmospheric pressure (hPa) when developed headache | |||||
| 1011 to <1013 | 0 | 1 | 2.9 | 0 | ns |
| 1009 to <1011 | 1 | 1 | 5.9 | 0 | ns |
| 1007 to <1009 | 1 | 0 | 2.9 | 0 | ns |
| 1005 to <1007 | 5 | 3 | 23.5 | 1 | p < 0.05 |
| 1003 to <1005 | 7 | 2 | 26.5 | 1 | p < 0.05 |
| 1001 to <1003 | 1 | 1 | 5.9 | 1 | ns |
| 999 to <1001 | 1 | 0 | 2.9 | 0 | ns |
| 997 to <999 | 0 | 1 | 2.9 | 0 | ns |
| 968 to <997 | 0 | 0 | 0.0 | 0 | ns |
MA migraine with aura, MOA migraine without aura, TTH tension-type headache, ns not significant
Patients developed migraine at a rate of 23.5 % when the atmospheric pressure ranged from 1005 to <1007 hPa, and at a rate of 26.5 % when the atmospheric pressure ranged from 1003 to <1005 hPa. These proportions were significantly larger than those in case of controls (both p values were <0.05)