Figure 1. STARD Diagram of Participant Flow Through the GECo1 Study.

CAPTURE indicates COPD Assessment in Primary Care to Identify Undiagnosed Respiratory Disease and Exacerbation Risk; COPD, chronic obstructive pulmonary disease; COLA-6, COPD in Low- and Middle-Income Countries Assessment; GECo1, Global Excellence in COPD Outcomes 1; LFQ, Lung Function Questionnaire; STARD, Standards for Reporting Diagnostic Accuracy Studies.

^aGrade F according to American Thoracic Society/European Respiratory Society guidelines.¹³