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