Criteria to exclude individuals from a clinical trial.
1Results: Analysis revealed 33 articles that satisfied the inclusion and exclusion criteria.
2A priori defined inclusion and exclusion criteria are used for literature selection.
3The data were extracted after the application of inclusion and exclusion criteria.
4Studies were reviewed independently for methodology, inclusion and exclusion criteria and endpoints.
5After screening by inclusion and exclusion criteria, articles were selected and reviewed.
6Respiratory diseases, smoking, and use of drugs influencing cough were considered exclusion criteria.
7A final 17 papers were identified which met predefined inclusion and exclusion criteria.
8After screening with exclusion criteria, 654 patients were finally included in our study.
9Method: Abstracts and titles were screened against inclusion and exclusion criteria.
10Data were independently extracted according to predetermined inclusion and exclusion criteria.
11Once inclusion and exclusion criteria were applied, study data were extracted and summarised.
12After screening, based on predefined in- and exclusion criteria, 16 studies were retained.
13The strict inclusion and exclusion criteria should be performed before treatment.
14The valid data were extracted in accordance with our inclusion and exclusion criteria.
15After excluding those, who met the exclusion criteria, 629 participants remained.
16Studies were reviewed independently for design features, inclusion and exclusion criteria, and outcomes.