Repetitive Saliva Swallowing Test Predicts COPD Exacerbation [Corrigendum]

Yoshimatsu Y, Tobino K, Sueyasu T, et al. Int J Chron Obstruct Pulmon Dis. 2019;14:2777–2785. Page 2780, left column, line 2, the text “42.9% and 96.4%” should read “96.4% and 42.9%”. Page 2780, left column, lines 1 and 2 from the bottom, the text “[…] in patients with a history of exacerbation in the past year than in those with no such history […]” should read “[…] in patients with no history of exacerbation in the past year than in those with a history […]”. Figure 1 on page 2780, the sensitivity and specificity values are incorrect. The correct Figure 1 is shown below. Page 2781, Figure 2 legend, the text “[…] in patients with a history of exacerbation in the past year than in those with no such history […]” should read “[…] in patients with no history of exacerbation in the past year than in those with a history […]”. Page 2782, Figure 3 legend, the text “[…] in patients with a history of exacerbation in the past year than in those with no such history […]” should read “[…] in patients with no history of exacerbation in the past year than in those with a history […]”. The authors apologize for these errors and advise they do not affect the results of the paper. Read the original article