Does the second ischemic stroke herald a higher proportional risk for cognitive and physical impairment than the first-ever one?

Table 6 Comparison between the different studied periods according to MRS

MRS	Baseline	After		Fr	p
MRS	Baseline	2 Weeks	3 Months	Fr	p
Group I (n = 40)
Min.–Max	0.0–3.0	1.0–3.0	0.0–2.0	15.880*	< 0.001*
Mean ± SD	1.63 ± 0.81	1.65 ± 0.62	1.23 ± 0.58
Median	2.0	2.0	1.0
Sig.bet.grps	p₁ = 0.955, p₂ = 0.049, p₃ = 0.045
Group II (n = 40)
Min.–Max	2.0–5.0	2.0–5.0	2.0–5.0	21.0*	< 0.001*
Mean ± SD	3.83 ± 0.90	3.65 ± 1.03	3.48 ± 1.01
Median	4.0	4.0	3.0
Significance between groups	p₁ = 0.240, p₂ = 0.019*, p₃ = 0.240