| 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% |