Relative frequency and prognosis of vascular aphasia (follow-up at 3 months) in the Neurology Department of Assiut University Hospital

Table 5 Comparing demographic, clinical, and neuroimaging data regarding rate of aphasia recovery

Percentage of improvement of total KAAT score
	Age groups			P value¹
	20–< 40	40–< 60	≥ 60
	Mean ± SD
At onset	13.84 ± 13.14	14.16 ± 19.92	10.16 ± 13.23	0.369
After (1)month	25.88 ± 28.59	15.71 ± 9.36	13.78 ± 18.37	0.116
After (3) months	50.75 ± 31.60	40.88 ± 16.57	25.55 ± 15.73	0.041*
	Pathology of stroke			P value²
	hemorrhagic	Ischemic
	Mean ± SD	Mean ± SD
At onset	8.95 ± 7.34	10.94 ± 11.73		0.467
After (1)month	38.34 ± 30.56	11.35 ± 12.95		0.010**
After (3) months	64.08 ± 36.83	35.19 ± 20.27		0.019*
	Size of infarction			P value¹
	Small	Medium	Large
	Mean ± SD
At onset	12.32 ± 14.54	10.32 ± 9.32	8.44 ± 8.18	0.446
After (1)month	23.81 ± 26.59	11.84 ± 10.51	9.08 ± 7.82	0.338
After (3) months	52.00 ± 29.63	36.79 ± 17.19	32.02 ± 17.43	0.031*
	Site of lesion			P value²
	Cortical	Subcortical
	Mean ± SD	Mean ± SD
At onset	5.53 ± 4.36	0.59 ± 1.80		0.000**
After (1)month	8.59 ± 7.61	41.43 ± 15.08		0.000**
After (3) months	31.48 ± 16.83	64.69 ± 14.67		0.000**
	Sex			P value²
	Males	Females
	Mean ± SD	Mean ± SD
At onset	11.03 ± 14.99	11.37 ± 14.68		0.975
After (1)month	16.24 ± 21.07	19.66 ± 22.36		0.170
After (3) months	38.39 ± 28.15	44.74 ± 25.26		0.062