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Comparing migraine headache frequency per month between the two groups at baseline and each visit
| Group | Baseline | After 2 weeks | After 4 weeks | After 12 weeks | P-value |
|---|---|---|---|---|---|
| L-carnitine | 11.4 ± 7.1 | 7.84 ± 4.1 | 6.42 ± 3.5 | 5.34 ± 2.4 | < .01 |
| Propranolol | 10.7 ± 6.2 | 6.71 ± 3.5 | 7.35 ± 4.4 | 4.96 ± 3.9 | < .01 |
Data is presented as mean ± standard deviation. The difference in headache frequency between the two groups at each visit was not statistically significant (p > 0.1).
