Table 1.

Demographic characteristics of NM.

NM	Age	$\overline{X}(\text{SD})$	χ2
	>60 years	<60 years
	70 (8)	41 (11)
VMA	103	43	<0.001
Death	101	39	<0.001
Gender (frequency)	Males	Females
Total	216	154	0.001
VMA	92	55	0.001
Death	85	55	<0.05
Comorbidity (frequency)	HAS	DM2
Total	240	191	<0.05
VMA	94	79	0.25
Death	92	76	0.21

NM = neurological manifestations.

VMA = Ventilatory Mechanical Assistance.

$\overline{X}$ = Chi-squared. SD = standard deviation.