Table 1 Genetic correlation between migraine and blood pressure.

Method	Trait 1	Trait 2	r_g	P*	gcov	gcov_se
LDSC	Any migraine	DBP	0.11	3.56 × 10⁻⁰⁶	0.018	0.009
		SBP	0.06	0.01	0.004	0.009
		PP	−0.01	0.75	−0.009	0.008
	Migraine with aura	DBP	0.17	1.50 × 10⁻⁰³	−0.006	0.008
		SBP	0.10	0.04	−0.014	0.008
		PP	0.00	0.92	−0.015	0.007
	Migraine without aura	DBP	0.14	1.20 × 10⁻⁰³	0.014	0.008
		SBP	0.03	0.43	0.010	0.008
		PP	−0.08	0.06	0.002	0.007
GNOVA	Any migraine	DBP	0.12	3.45 × 10⁻⁰⁷	0.009	0.002
		SBP	0.07	4.64 × 10⁻⁰³	0.005	0.002
		PP	0.00	0.94	0.000	0.002
	Migraine with aura	DBP	0.15	1.90 × 10⁻⁰⁵	0.008	0.002
		SBP	0.10	2.57 × 10⁻⁰³	0.006	0.002
		PP	0.03	0.33	0.002	0.002
	Migraine without aura	DBP	0.13	1.86 × 10⁻⁰⁴	0.008	0.002
		SBP	−0.02	0.66	−0.001	0.002
		PP	−0.12	2.12 × 10⁻⁰⁴	−0.006	0.002

r_g Genetic correlation, gcov genetic covariance, gcov_se standard error of genetic covariance, LDSC LD score regression, GNOVA genetic covariance analyzer, DBP diastolic blood pressure, SBP systolic blood pressure, PP pulse pressure.
*P-value was calculated for the genetic correlation in LDSC and for the genetic covariance in GNOVA, P-values are based on two-sided Wald test.

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