High-flow nasal oxygen therapy versus conventional oxygen therapy and non-invasive mechanical ventilation in patients with acute respiratory failure and post-mechanical ventilation

The Egyptian Journal of Bronchology

Table 5 Demographic and clinical characteristics in group B

	N	Min.	Max.	Mean	SD
Age	46	19	82	60.63	13.56
		N		%
Gender	Male	38		82.6%
	Female	8		17.4%
	Total	46		100%
Diagnosis		N		%
COPD		21		45.7%
Pleural effusion		6		13.0%
Bronchiectasis		4		8.7%
Pneumonia		3		6.5%
Interstitial lung disease		3		6.5%
Bronchial asthma		2		4.3%
Pneumothorax		2		4.3%
Obese hypoventilation		1		2.2%
Tuberculosis		1		2.2%
Lung abscess		1		2.2%
Pulmonary edema		1		2.2%
Type of lung disease	Restrictive	17		37.0%
	Obstructive	29		63.0%
Type of respiratory failure	Type 1	10		21.7%
	Type 2	36		78.3%
Comorbidity		N		%
Hypertension		12		26.1%
Ischemic heart disease		10		21.7%
Diabetes		8		17.4%
Corpulmonale		5		10.9%
Heart failure		2		4.3%
Renal impairment		2		4.3%
Chronic liver disease		1		2.2%
		Min.	Max.	Mean	SD
Days of mechanical ventilation		1	26	4.04	4.58
Days of ICU stay		3	29	8.22	5.13
Mechanical ventilation	Yes	10		21.7%
	No	36		78.3%
Cause of discharge	Death	8		17.4%
	Improve	38		82.6%

N Number, Min Minimum, Max Maximum, SD Standard deviation, COPD Chronic obstructive lung disease