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D12 questionnaire scores for breathlessness in patients with/without positive BPAT score indicative of likely breathing pattern disorder. Violin with box-and-whisker plots of D12 questionnaire scores for patients with BPAT score ≥4, positive for likely breathing pattern disorder, and those patients with BPAT score <4, negative for likely breathing pattern disorder. P value for Wilcoxon-Mann-Whitney test.
