Table 3.

Data extraction framework of the scoping review

Bibliometrics	Comments
Author(s)	First author et al
Title	Full title
Year	Year of publication
Country	Country of conducted study
Data extraction
Aim of study	Full aim, regardless of our research questions
Design of study, if applicable	Type of study
Intervention, if applicable
Methods
Setting/Sample of study	Outpatient or inpatient or as described by the author(s)/population number (N) in analysis (including N in total/COPD if it is different from N in analysis)
COPD population characteristic, if applicable	Number of patients with COPD, mean/median age or range of age, gender, BMI, smoke pack-year, exacerbation
Results	Overall results and specific ones in regard to our study
Conclusions/Key findings	Overall and specific to our study
Research gaps	As identified by author(s)
Future recommended studies/research	As suggested by the author(s)

BMI, body mass index; COPD, chronic obstructive pulmonary disease.