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Table 1 Patient characteristics

From: High-flow nasal oxygen versus noninvasive ventilation in adult patients with cystic fibrosis: a randomized crossover physiological study

Characteristics

n = 15

Female, n (%)

8 (53)

Age (years)

30 (23–34)

Body mass index (kg/m2)

19 (17–22)

APACHE II score at entry

8 (7–9.5)

Baseline pulmonary function test

 

Forced expiratory volume in 1 s (L)

0.8 (0.6–1.0)

Forced expiratory volume in 1 s (% predicted)

24 (20–26)

Forced vital capacity (L)

1.49 (1.33–1.64)

FEV1/FVC ratio (%)

45 (42–52)

Chronic comorbidities

 

Pancreatic insufficiency, n (%)

11 (73)

Diabetes mellitus, n (%)

5 (33)

Osteoporosis, n (%)

4 (27)

Reason for admission

 

Cystic fibrosis exacerbation, n (%)

15 (100)

Pulmonary therapy prior to admission

 

Supplemental oxygen as outpatient, n (%)

12 (80)

Noninvasive ventilation as outpatient, n (%)

9 (60)

Listed for lung transplantation, n (%)

10 (67)

Arterial blood gases a

 

pH

7.39 (7.38–7.41)

PaCO2 (mmHg)

53 (49–63)

HCO3 (mmol/L)

34 (31–38)

PaO2 (mmHg)

64 (61–68)

  1. Continuous variables are expressed as median (interquartile range), and categorical variables are expressed as absolute value (%)
  2. aFor arterial blood gas conditions, please see Additional file 1: Table 1