Table 3.

Comparison of migraine features between persistent perceptual-postural dizziness (PPPD) patients who met full migraine headache criteria and those who did not meet full migraine headache criteria. A P < 0.05 was considered statistically significant.

Feature	PPPD patients fulfilling migraine headache criteria (N=19)	PPPD patients not fulfilling migraine headache criteria (N=17)	P value
Sensitivity to light	14 (73.7%)	7 (41.2%)	0.09
Sensitivity to sound	10 (52.6%)	5 (29.4%)	0.19
Sensitivity to smells	5 (26.3%)	2 (11.8%)	0.41
Sensitivity to weather changes	6 (31.6%)	1 (5.9%)	0.09
Sinus pressure/facial pain	11 (57.9%)	6 (35.3%)	0.20
Mental fog/confusion	12 (63.2%)	13 (76.5%)	0.48
Family history of migraine	7 (36.8%)	7 (41.2%)	1.00
Family history of Meniere’s disease	4 (21.1%)	1 (5.9%)	0.34
Family history of motion sickness	7 (36.8%)	5 (29.4%)	0.73
Nausea/vomiting during headache	12 (63.2%)	2 (11.8%)	0.005*
Relief of any headache with medications	13 (68.4%)	16 (94.1%)	0.02*
Headache triggered by cold food or liquid	17 (89.5%)	9 (52.9%)	0.02*
Ear pain	13 (68.4%)	2 (11.8%)	0.002*