Research Article
A Novel Scale to Assess Humidification during Noninvasive Ventilation: A Prospective Observational Study
Table 1
Demographics of the enrolled patients.
| Variables | Total cohort N = 33 |
| Age, years | 73.7 ± 12.1 | Male (%) | 27 (82%) | Diagnosis | Pneumonia | 16 (49%) | COPD | 14 (42%) | Others | 3 (9%) | Underlying disease | Hypertension | 18 (55%) | Coronary heart disease | 7 (21%) | Pulmonary heart disease | 6 (18%) | Diabetes | 6 (18%) | Chronic heart failure | 4 (12%) | Tumor | 3 (9%) | Cerebral infarction | 2 (6%) | Ventilator parameters# | Ventilation mode | S/T | IPAP, cmH2O | 16.8 ± 2.6 | EPAP, cmH2O | 7.6 ± 1.5 | FiO2 (%) | 39.4 ± 9.4 | Air leak, L/min | 54.7 ± 19.7 | , mL/min | 542 ± 159 | MV, L/min | 13.1 ± 4.2 | Measured respiratory rate, breaths/min | 25 ± 6 |
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#We enrolled 33 patients and performed 36 assessments. COPD = chronic obstructive pulmonary disease, IPAP = inspiratory positive airway pressure, EPAP = expiratory positive airway pressure, = tidal volume, MV = minute ventilation. |