Depression more than doubles the risk of emergency hospital admissions in those with chronic obstructive pulmonary disease (COPD). Those with a depression score of 4 to 7 on the Hospital Anxiety and Depression Scale (HADS) was associated with 2.8 times increased odds of emergency hospital admission, as compared to a reference group with no evidence of depression. Those with a depression score of 8 or above was associated with a 4.8 times increased odds of emergency hospital admission. The HADS is a 14 item self-report statement-based questionnaire that detects the presence of anxiety and depression symptoms . . .