Table 1.
Population variables
| Amenorrhoea (n = 23) | Menstruation/withdrawal bleeding (n = 26) | p-value | |
|---|---|---|---|
|
Continuous variables
1
|
Median |
|
|
| Age at migraine onset |
18 |
18 |
0.92 |
| Age at menstrual migraine onset |
25 |
22 |
0.48 |
| Duration of hormonal contraceptive use (months) |
48 |
24 |
0.02 |
|
Dichotomous variables
2
|
n (%) |
|
|
| Migraine prophylaxis, n (%) |
1 (4) |
3 (12) |
0.42 |
| Triptan use, n (%) |
15 (65) |
14 (54) |
0.44 |
| Ever consulted a neurologist for migraine, n (%) |
8 (35) |
8 (31) |
0.78 |
| Endometriosis | 2 (9) | 0 (0) | 0.22 |
1Independent samples median test. 2Fischers exact mid-p test.