Fig. 1From: Investigation on sleep quality and psychological distress in patients with pulmonary nodulesAssociations between sleep quality and anxiety or depression burden in patients with pulmonary nodules. A HADS-A scores in respect to PSQI scores. B HADS-D scores in respect to PSQI scores. HADS-A, hospital anxiety and depression subscale-anxiety; HADS-D, hospital anxiety and depression subscale-depression; PSQI, Pittsburgh Sleep Quality IndexBack to article page