Table 2.

Etiology of admission of the study population

Variable (n, %)		Frequency	Percentage
	Status epilepticus	12	5
Neurology (41,18.7)	Brain abscess	6	2.7
	Traumatic brain injury	6	2.7
	Meningitis	7	3.2
	Stroke	4	1.8
	Brain tumor	3	1.4
	Intra cranial hemorrhage	2	0.9
	Spinal cord injury	1	0.5
	Pneumonia	15	6.8
Respiratory (46, 20.9)	Tuberculosis	8	3.6
	FBA	6	2.7
	Apnea	4	1.8
	Aspiration pneumonia	4	1.8
	Lung contusion	2	0.9
	PCP	2	0.9
	HAAD	1	0.5
	HAP	1	0.5
	PTE	1	0.5
	Pulmonary edema	1	0.5
	Severe croup	1	0.5
	Post cardiac arrest	14	6.4
Cardiac (29, 13.2%)	Congenital heart disease	10	4.6
	Congestive heart failure	3	1.4
	SVT	2	0.9
Sepsis (34, 15.5%)		34	15.5
Renal (10, 4.5%)	Acute renal failure	6	2.7
	Chronic renal failure	4	1.8
Neuromascular (19, 8.6%)	Guillain Barrie syndrome	19	8.6
	Superior mediastinal mass	5	2.3
Malignancy (8, 3.6%)	Anterior mediastinal mass	2	0.9
	Tumor lysis syndrome	1	0.5
Other (33, 15%)	Post-operation	28	12.7
	Poisoning	2	0.9
	Diabetic ketoacidosis	1	0.5
	Uremic encephalopathy	2	0.9

FBA: foreign body aspiration PTE: Pulmonary thromboembolism, HAP: Hospital-acquired pneumonia, HAAD: Hyperactive airway disease, PCP: Pneumocystis carinii pneumonia. SVT: Supraventricular tachycardia