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Table 1 Demographic and clinical characteristics

From: Validation of the Arabic Severe Respiratory Insufficiency Questionnaire

Variable Valid N (%)
Disease
 COPD 127 (85.2%)
 NMD 8 (5.40%)
 OHS 9 (6.00%)
 RCWD 4 (2.70%)
 Lung fibrosis 1 (0.70%)
Gender
 Male 53 (35.57%)
 Female 96 (64.43%)
Age in years (mean ± SD) 69.81 ± 10.15
Smoking
 Current smokers 31 (21.00%)
 Previous smokers 93 (62.00%)
 Never smoked 25 (17.00%)
Pack-year (mean ± SD) 59.83 ± 43.98
BMI (k/m2) (mean ± SD) 30.39 ± 8.64
ED visits in past year per patient due to respiratory problems (mean ± SD) 2.84 ± 2.73
Hospital admission in past year per patient due to respiratory problems (mean ± SD) 2.96 ± 3.00
HMV use in months (mean ± SD) 32.6 ± 36.20
HMV use per day (mean ± SD) 8.1 ± 3.90
  1. COPD chronic obstructive pulmonary disease, NMD neuromuscular diseases (NMD), OHS obesity hypoventilation syndrome, RWCD restrictive chest wall disorders, SD standard deviation, HMV home mechanical ventilation