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

Table 10 Comparison between the different studied periods according to MINI COG

MINI COG	Baseline	After		Fr	p
MINI COG	Baseline	2 weeks	3 months	Fr	p
Group I (n = 40)
Min.–Max	0.0–5.0	2.0–5.0	3.0–5.0	25.529*	< 0.001*
Mean ± SD	2.88 ± 1.45	3.43 ± 0.90	3.95 ± 0.75
Median	3.0	3.50	4.0
Sig.bet.grps	p₁ = 0.402, p₂ = 0.004*, p₃ = 0.131
Group II (n = 40)
Min.–Max	0.0–4.0	0.0–4.0	1.0–4.0	12.0*	0.002*
Mean ± SD	2.23 ± 1.21	2.23 ± 1.21	2.55 ± 1.06
Median	2.0	2.0	3.0
Significance between groups	p₁ = 1.000, p₂ = 0.044, p₃ = 0.044