The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 2 Congenital anomalies in ACoA aneurysms group and the control group

From: Predictive value of the anterior communicating artery (ACoA) complex variations for the incidence and rupture of ACoA aneurysms

	ACoA aneurysms group (n = 210)	Control group (n = 486)	P value
A1 hypoplasia	30 (14.28%)	6 (1.23%)	< 0.001*
Right A1 hypoplasia	20 (9.52%)	4 (0.82%)	< 0.001*
Left A1 hypoplasia	10 (4.76%)	2 (0.41%)	< 0.001*
A1 aplasia	12 (5.71%)	1 (0.20%)	0.001*
Right A1 aplasia	7 (3.33%)	1 (0.20%)	0.001*
Left A1 aplasia	5 (2.38%)	0 (0%)	0.002*
A2 anomalies	3 (1.42%)	4 (0.82%)	0.431
Azygous	1 (0.47%)	3 (0.61%)	0.514
Triple	2 (0.95%)	1 (0.2%)	0.089

ACoA: anterior communicating artery. We presented data as number (%)
*Statistically significant when P value < 0.05

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