Table 5.

Correlation between PVS Number and Volume (mm³)/cm³ of White Matter and Post-Concussive Symptoms

	PVS no./cm3 WM		PVS volume (mm3)/cm3 WM
Symptom	ra	p value	ra	p value
Dizziness	0.32	0.01	0.35	0.006
Poor balance	0.47	0.0002b	0.48	0.0002b
Poor coordination	0.36	0.005	0.38	0.003
Headaches	0.22	0.1	0.26	0.05
Nausea	0.26	0.04	0.25	0.05
Vision problems	0.35	0.007	0.35	0.007
Light sensitivity	0.22	0.09	0.18	0.16
Hearing difficulties	0.11	0.41	0.09	0.48
Noise sensitivity	0.27	0.04	0.27	0.03
Numbness	0.29	0.02	0.3	0.02
Change in taste or smell	0.1	0.44	0.06	0.64
Loss of appetite	0.05	0.67	0.06	0.63
Poor concentration	0.16	0.21	0.17	0.2
Forgetfulness	–0.08	0.53	–0.09	0.5
Difficulty making decisions	0.03	0.77	0.06	0.62
Slowed thinking	0.11	0.41	0.11	0.39
Fatigue	0.13	0.32	0.15	0.24
Difficulty falling asleep	0.22	0.09	0.21	0.1
Feeling anxious	0.24	0.06	0.25	0.05
Feeling depressed	0.27	0.04	0.31	0.01
Irritability	–0.1	0.43	–0.09	0.48
Poor frustration	0.12	0.36	0.13	0.31

^aPearson's correlation coefficient.

^bSignificant after Bonferroni's correction (α = 0.002).

PVS, perivascular space; WM, white matter.