Repetitive transcranial magnetic stimulation as a prophylactic treatment in migraine

Table 5 Correlation between neurokinin A serum level and clinical parameters of migraine pre-TMS

	Neurokinin A serum level pre-TMS
	R^╧	P value
No. of headache attacks (days per month) pre-TMS	0.818	< 0.001
Duration of individual attack (hours) pre-TMS	0.424	0.006
No. of pills (per month) pre-TMS	0.389	0.013
Pain intensity (on scale from 0 to 10) pre-TMS	0.421	0.007
MIDAS score pre-TMS	0.329	0.038

P value > 0.05, non-significant (NS); P value < 0.05, significant (S); P value < 0.01, highly significant (HS)
^╧Pearson’s correlation coefficient test