Table 2.

Evaluation of variables affecting stroke recurrence in acute ischemic stroke patients with atherosclerotic stenosis in the symptomatic basilar artery.

Variables	Ischemic stroke due to symptomatic basilar artery atherosclerotic stenosis with stroke recurrence (n = 30)	Ischemic stroke due to symptomatic basilar artery atherosclerotic stenosis without stroke recurrence (n = 39)	p-value
Age*	66.50±7.97	67.64±10.15	0.614
Sex** (male gender)	19 (63.33%)	19 (48.71%)	0.226
Diabetes**	19 (63.33%)	26 (66.66%)	0.773
Hypertension**	26 (86.66%)	31 (79.48%)	0.435
Smoker**	16 (53.33%)	20 (51.28%)	0.886
Atrial fibrillation**	16 (53.33%)	20 (51.28%)	0.646
Congestive heart failure**	4 (13.33%)	10 (25.64%)	0.208
Coroner artery disease**	10 (33.33%)	15 (38.46%)	0.660
Haemoglobin (g/dL)*	13.25 (11.85, 14.00)	13.80 (12.58, 14.70)	0.030
LDL (mg/dL)*	151.50 (100.00, 185.00)	138.50 (112.25, 174.75)	0.607
Stroke mechanism
Artery-to-artery embolism**	18 (60%)	10 (25.64%)	0.027
Perforators infarction**	16 (48.48%)	28 (71.79%)	0.114
Hemodynamic infarction	7 (23.23%)	5 (12.82%)	0.253
Basilar artery occlusion	9 (30%)	0 (0%)	< 0.001
Mix mechanism	18 (60%)	8 (20.51%)	< 0.001
Stenotic segment of the basilar artery
Proximal segment**	15 (50%)	17 (43.58%)	0.506
Middle segment**	15 (50%)	27 (69.23%)	0.105
Distal segment**	3 (10%)	3 (7.69%)	1.000
Multi-segment stenosis**	3 (10%)	6 (15.28%)	0.722
Stenosis degree (%)	66.28±20.70	85.50±10.77	< 0.001
Clinical outcome** Unfavourable clinical outcome	11 (%36.66)	11 (%28.20)	0.455
Posterior collateral scores (poor collateral scores)	13 (43.33)	14 (35.89)	0.530

LDL: low-density lipoprotein. Significant variables are shown in bold. *Mann-Witney U-test, **Pearson chi-square test/continuity correction test/Fisher exact test.