Table 1.
Information about the included studies.
Figure 1.
Forest plot of comparison: MS patients vs. control, outcome: migraine.
Figure 2.
Funnel plot of included studies.
Table 2.
Newcastle-Ottawa Scale (NOS) assessment of the quality of the studies.
Figure 3.
Forest plot of comparison: MS patients vs. control.
Table 3.
Odds ratio and 95% confidence intervals for subgroup studies.