Table 2:

Reversibility measurements among patients with and without RCVS

Reversibility Measurement^{^a}	RCVS (n = 9)	No RCVS (n = 17)	P Value^{^b}
Maximal PC (%)	50.6 ± 13.6	21.7 ± 12.5	<.001
Mean PC (%)	20.4 ± 9.8	6.2 ± 6.0	.002
Maximal CD (mm)	0.54 ± 0.27	0.25 ± 0.17	.004
Mean CD (mm)	0.23 ± 0.13	0.07 ± 0.08	.001

↵a Reversibility measurements shown as mean ± SD.
↵b P value was calculated using the Mann-Whitney U test, given a nonparametric distribution of data.