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Table 4 Specific data of COPD and OHS patient groups on 1.1.2018

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

 

COPD patients with NIV*

(N = 102)

COPD patients with LTOT

(N = 169)

p value

Age at 1.1.2018 (years ± SD)

71.2 ± 7.9

75.7 ± 7.7

p < 0.001

ACCI (mean ± SD)

3.8 ± 2.4

5.1 ± 2.9

p < 0.001

Mortality (%) during 1.1.2018–1.1.2021

47.5

69.8

p < 0.001

Concomitant sleep apnea N (%)

32 (31.4%)

19 (11.2%)

p < 0.001

BMI (mean ± SD) kg/m2

30.5 ± 8.3

26.8 ± 9.6

p = 0.002

AHI (mean ± SD)**

28.7 ± 23.0

20.3 ± 17.3

p = 0.306

  1. COPD, chronic obstructive pulmonary disease; NIV, non-invasive ventilation; LTOT, long-term oxygen treatment; OHS, obesity hypoventilation syndrome; ACCI, age-adjusted Charlson co-morbity index; BMI, body mass index; AHI, apnea-hypopnea index
  2. *Includes patients who underwent LTOT with their NIV
  3. **AHI counted for patients with concomitant sleep apnea. The information was known for 31.4% of the NIV treated and 11.2% of the LTOT treated COPD patients
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BMC Pulmonary Medicine

ISSN: 1471-2466

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