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. 2023 Jul 5;59(7):1252. doi: 10.3390/medicina59071252

Figure 2.

Figure 2

Box plot graphs for each screening test. (A) Comparison between COPD and non-COPD population for the SQ-COPD screening test. (B) Comparison between COPD and non-COPD population for the PS-COPD screening test. (C) Comparison between COPD and non-COPD population for the LFQ screening test. (D) Comparison between COPD and non-COPD population for the CAPTURE screening test. (E) Comparison between COPD and non-COPD population for the CDQ screening test. *: p-value < 0.05. Abbreviations: CDQ: COPD Diagnostic Questionnaire; COPD-PS: COPD Population Screener; COPD-SQ: COPD Screening Questionnaire; CAPTURE: COPD Assessment in Primary Care to Identify Undiagnosed Respiratory Disease and Exacerbation Risk; LFQ: the Lung Function Questionnaire.