Table 3.

Relationships between HAH and demographic, systemic and cerebral hemodynamic parameters (N = 363)

	Headache score
	r	p		r	p
Demographic factors			PI	−0.152	0.004**
Age	0.178	0.001**	RI	−0.166	0.001**
BMI	0.075	0.155
			Right side MCA
Systemic hemodynamics			Vm	0.078	0.136
SBP	0.031	0.561	Vs	0.055	0.297
DBP	0.031	0.560	Vd	0.086	0.103
ΔBP	0.009	0.865	PI	−0.099	0.059
MAP	0.033	0.535	RI	−0.087	0.097
HR	0.143	0.006**
SpO2	−0.148	0.005**	Right side VA
LA	−0.035	0.507	Vm	0.039	0.455
LV	0.027	0.610	Vs	<0.001	0.997
RA	0.010	0.851	Vd	0.036	0.499
RV	0.001	0.992	PI	−0.083	0.115
PA	0.058	0.275	RI	−0.065	0.215
EF	0.045	0.390
SV	0.035	0.506	BA
CO	0.175	0.001**	Vm	0.119	0.023*
Tricuspid regurgitation	0.044	0.400	Vs	0.077	0.141
			Vd	0.121	0.021*
Cerebral hemodynamics			PI	−0.105	0.045*
Left side MCA			RI	−0.107	0.042*
Vm	0.033	0.536
Vs	0.018	0.733	Asymmetry of VAs
Vd	0.039	0.454	ΔVs	0.080	0.130
PI	−0.039	0.458	ΔVd	0.137	0.009**
RI	−0.050	0.345	ΔVm	0.105	0.046*
			AI%	0.106	0.043*
Left side VA
Vm	0.120	0.022*	Conduction
Vs	0.067	0.203	CVCi	0.019	0.716
Vd	0.157	0.003**

*p is 0.05 or less, **p is 0.01 or less

HAH was positively associated with HR, CO and cerebral velocities while it negatively correlated with SpO₂, PIs and RIs in BA and left side VA