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Table 5 Outcomes of patients with Chronic Obstructive Pulmonary Disease (COPD), according to the number of COPD-related emergency department visits in one year

From: Frequent utilization of the emergency department for acute exacerbation of chronic obstructive pulmonary disease

Variables

1 ED visit

2 ED visits

≥ 3 ED visits

P value

Number of ED visits for COPD, no.

69,398

34,010

51,328

–

30-day ED revisit rate for COPD, % (95% CI)*

–

10.5 (10.1-10.8)

30.0 (29.6-30.4)

<0.001

Hospitalization rate for COPD, % (95% CI)

62.3 (62.0-62.7)

64.9 (64.4-65.4)

62.1 (61.6-62.5)

<0.001

Near-fatal event rate, % (95% CI)

5.8 (5.6-6.0)

8.2 (7.9-8.5)

8.8 (8.6-9.1)

<0.001

  1. Abbreviations: COPD chronic obstructive pulmonary disease ED emergency department, IQR interquartile range, CI confidence interval.
  2. *Excluding the index ED visits and hospitalizations.
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Respiratory Research

ISSN: 1465-993X

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