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Table 4 Exacerbations and hospitalizations

From: Effect of average volume-assured pressure support treatment on health-related quality of life in COPD patients with chronic hypercapnic respiratory failure: a randomized trial

Variable

Patients treated with AVAPS

Control group

Treatment Effect (95% CI)

6 months–baseline

P-value

6 months before inclusion

Study period

(6 months after AVAPS start)

6 months before inclusion

Study period (6 months after BiPAP start)

Exacerbation (n)

2.7 ± 1.7

1.5 ± 0.3

2.6 ± 1.9

1.5 ± 0.2

−0.9 (− 0.9 to 0.7)

0.213

Hospitalization (n)

3.2 ± 1.1

1.1 ± 0.1

3.5 ± 1.3

1.2 ± 0.1

−0.1 (− 0.6 to 0.4)

0.342

Hospital days(n)

5.2 ± 2.1

3.4 ± 2.1

5.3 ± 2.2

3.5 ± 2

− 1.5 (− 5 to 2)

0.321

  1. number of exacerbations, hospitalizations and hospital days data