Comparison of features of cases and controls
| Cases | Controls | p Value | |
|---|---|---|---|
| HA, headache; MUMS, migraine with unilateral motor symptoms. | |||
| Data are presented as mean (SD), unless otherwise specified. | |||
| The mean age of onset of MUMS was 36.5 years (range 14–59). | |||
| Features of episodic migraine (cases 9, control 18) | |||
| Days/month | 5.8 (3.4) | 6.4 (3.4) | NS |
| No of episodes 3/month | 15.2 (10.3) | 17.3 (10.2) | NS |
| Average intensity (0–10) | 7.4 (1.8) | 5.8 (2.0) | 0.05 |
| Average duration (h) | 7.1 (15.4) | 16.2 (28.9) | NS |
| Features of transformed migraine (cases 15, control 30) | |||
| Age of onset of frequent HA, (years) | 31.6 (9.6) | 27.4 (12.8) | NS |
| No of years with frequent HA | 14.0 (9.1) | 12.3 (12.7) | NS |
| No of days with HA in 3 months | 64.2 (20.0) | 76.9 (17.6) | NS |
| Intensity of baseline HA | 4.6 (4.8) | 4.8 (1.7) | NS |
| Continuous HA (Y/N) | 14/1 | 21/9 | NS |
| No of days with exacerbation in 3 months | 26.1 (20.3) | 24.1 (22.1) | NS |
| Average intensity of HA exacerbation | 8.7 (1.4) | 8.4 (2.0) | NS |