Table 5.

Statistical results of linear mixed-effects model for lesion volume by (4).

	Value	Std. error	DF	t-value	p value
β 1 (days after stroke)	−36.3201	14.6339	21	−2.4819	0.0216 ∗
β 2  (age)	−5.5058	12.6501	10	−0.4352	0.6726
β 3 (age: days after stroke)	0.6304	0.2366	21	2.6645	0.0145 ∗

^∗ p < 0.05.