Skip to main content

Table 1 Summary of emergency department visit evidence

From: Clinical, humanistic, and economic burden of chronic obstructive pulmonary disease (COPD) in Canada: a systematic review

References

Geographic region (study years)

Patients

Arms or cohorts

Patients with ED visits, # (%)

# of ED visits

Mean annual ED # visits/patient

Polisena et al. [17]

Calgary (1998–2009)

≥60 years (mean age)

Telephone support

40.6 % of patients

 

0.1 visits

Usual care

63.15 % of patients

 

0.4 visits

Labrecque et al. [29]

Montreal (2004)

40–75 years, stable COPD

Self-management education (n = 57)

  

Pre-index 1.1 visits

Post-index 0.2 visits

Usual care (n = 45)

  

Pre-index 0.4 visits

Post-index 0.4 visits

Chapman et al. [1], Wouters et al. [37]

Canada (1 year study)

Diagnosed/undiagnosed COPD patients

All patients (n = 401)

70 patients (17.5 %)

151 visits

0.38 visits

Moullec et al. [28]

Montreal (2004–2006)

Montreal hospital patients

Integrated care (n = 96)

Prior year 27 (28.1 %), Post-Index 28 (29.2 %)

 

Pre and Post-Index 0.5 visits

Usual care (n = 93)

Prior year 27 (29.0 %), Post-Index 26 (28.0 %)

 

Pre and Post-Index 0.5 visits

Bischoff et al. [39]

 

COPD patients, ≥40 years

All patients (n = 119)

  

Preceding year 0.65 visits

Rowe et al. [34]

US, Canada

≥55 year, stable COPD

Canadian patients (n = 63)

  

Previous year 1.0 visits

Tsai et al. [45]

US, Canada

≥55 year, stable COPD

Underweight (BMI <18.5, n = 50)

  

Previous year 2.0 visits

Normal weight (BMI 18.5–24.9, n = 148)

  

Previous year 1.0 visits

Overweight (BMI 25–29.9, n = 105)

  

Previous year 1.0 visits

Obese (BMI ≥ 30, n = 92)

  

Previous year 1.0 visits

Sin et al. [38]

(1992–1997)

age ≥65 years, discharged diagnosis of COPD

No inhaled corticosteroid (n = 11,139)

  

Preceding year 1.2 visits

Inhaled corticosteroid (n = 11,481)

  

Preceding year 1.6 visits

Johnston et al. [32]

Hamilton, Ontario (Dec 2006–Jan 2007)

≥40 year, COPD of mixed severity

GOLD stratum 0 (n = 39)

  

Previous year 1.6 visits

GOLD stratum 1 and 2 (n = 31)

  

Previous year 1.4 visits

GOLD stratum 3 and 4 (n = 44)

  

Previous year 1.8 visits

Wang et al. [35]

Montreal (2 year study)

≥40 years, Moderate-severe COPD hospitalized

All Patients (n = 282)

54 patients (19.1 %)

99 visits

1.82 visits

Rowe et al. [30], Rosychuk et al. [31]

Alberta (1999–2005)

≥55 years

All patients (38,638)

38,638 patients

85,330 visits

2.2 visits

Golmohammadi et al. [36]

Edmonton (2000–2002)

>45 years

Rehab program: DSS-S1 (n = 31)

  

Pre 42.1 visits/100 pt-years

Post 13.6 visits/100 pt-years

Rehab program: DSS-S2A (n = 78)

  

Pre 57.0 visits/100 pt-years

Post 44.8 visits/100 pt-years

Rehab program: DSS-S2B (n = 51)

  

Pre 29.5 visits/100 pt-years

Post 16.3 visits/100 pt-years

Rehab program: DSS-S3 (n = 41)

  

Pre 41.0 visits/100 pt-years

Post 54.4 visits/100 pt-years

Stephenson et al. [40]

Ontario (2003–2010)

>66 years, Concomitant dementia and COPD

ChEI users (n = 7166)

Baseline 538 (7.5 %)

  

ChEI non-users (n = 7166)

Baseline 517 (7.2 %)

  

Blais et al. [41]

Quebec (Feb 2003–Jan 2007)

≥40 years

Budesonide/formoterol (n = 1131)

10.3 % of patients

182 visits

 

Propionate/salmeterol (n = 1131)

13.1 % of patients

256 visits

 

Gershon et al. [42]

Ontario (2003–2007)

≥66 years

Long-acting anticholinergic (n = 28,563)

12.2 % of patients

  

Long-acting beta-agonist (n = 17,840)

11.7 % of patients

  

FitzGerald et al. [43]

Canada (1 year study)

≥40 year

All patients (n = 609), all exacerbation (n = 691)

 

193 visits

 

Patients with exacerbations (n = 278)

111 patients (39.9 %)

  

Sedeno et al. [21]

 

COPD patients

Usual care (n = 81)

54.4 % patients

  

Self-management group (n = 85)

29.9 % patients

  

Bourbeau et al. [44]

 

Advanced COPD, ≥1 hospitalization for exacerbation in last year

Usual care (n = 95)

63.2 % patients

  

Self-management care (n = 96)

40.6 % patients

  

Mittmann et al. [3]

Canada

Moderate and severe COPD exacerbations

All patients (n = 609), all exacerbation (790 exacerbations)

 

245 visits

 

Moderate exacerbation (639 exacerbations)

 

105 visits

 

Severe exacerbation (151 exacerbations)

 

140 visits

 

Beauchesne et al. [77]

(1995–2004)

COPD patients

Home management program (n = 152)

 

29 visits

 

Dormuth et al. [60]

British Columbia

≥45 years, 2.5-year period after public coverage

Predicted use

 

6658 visits

 

Observed use

 

7434 visits