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Table 2 Patients' characteristics

From: The prevalence of non-invasive ventilation and long-term oxygen treatment in Helsinki University Hospital area, Finland

  All patients COPD NMD RCWD OHS ILD Misc*
Patients N (%) 815 (100%) 271 (33.3%) 85 (10.4%) 54 (6.6%) 217 (26.6%) 72 (8.8%) 116 (14.2%)
Men N (%) 432 (53.0%) 153 (56.5%) 51 (60.0%) 27 (50.0%) 125 (57.6%) 38 (52.8%) 38 (32.8%)
Age at 1.1.2018
(mean ± SD), years
68.2 ± 14.4 74.5 ± 8.0 52.4 ± 17.6 67.6 ± 15.2 64.0 ± 11.6 74.8 ± 13.0 69.3 ± 16.8
FEV (% predicted)** 51.4 ± 21.2 41.4 ± 17.7 56.8 ± 27.1 41.5 ± 15.9 56.6 ± 14.9 63.5 ± 19.7 65.7 ± 23.9
FVC (% predicted)** 65.6 ± 21.2 67.6 ± 20.4 56.5 ± 26.1 44.2 ± 16.5 63.1 ± 15.1 66.8 ± 21.8 75.7 ± 23.3
Smoking %:
Never-/ex-/current-smoker**
31.0/61.7/7.3 2.2/93.0/4.8 70.4/22.5/7.0 62.5/33.3/4.2 32.2/50.5/17.3 40.8/57.7/1.4 53.6/46.4/0.0
ACCI on 1.1.2018 (mean ± SD) 3.3 ± 3.1 4.6 ± 2.8 0.6 ± 1.4 1.8 ± 2.4 2.7 ± 2.6 2.9 ± 2.7 4.7 ± 3.7
BMI (mean ± SD) kg/m2** 35.9 ± 13.3 28.3 ± 9.2 25.3 ± 8.0 27.9 ± 7.1 47.3 ± 10.8 29.0 ± 6.5 28.7 ± 7.1
DNR decision made %** 50.2 72.3 30.6 31.5 22.1 69.4 58.6
Elective treatment initiation %*** 50.7 40.1 90.3 51.1 54.5 48.6 40.7
  1. COPD, chronic obstructive pulmonary disease; NMD, neuromuscular disease; RCWD, restrictive chest wall disease; OHS, obesity-hypoventilation syndrome; ILD, interstitial lung disease; Misc, miscellaneous; FEV1, forced expiratory volume; FVC, forced vital capacity; ACCI, age-adjusted Charlson co-morbity index; BMI, body mass index; DNR, do not resuscitate
  2. *Misc group includes heart disease and cancer patients
  3. **Information maximum ± one year from treatment initiation
  4. ***Includes initiations at the pulmonary outpatient clinic and pulmonary ward