Importance Although asthma is a chronic disease, the expected rate of spontaneous
remissions of adult asthma and the stability of diagnosis are unknown. Objective To determine …

Background: Urgent, unplanned hospital readmissions are increasingly being used to gauge
the quality of care. We reviewed urgent readmissions to determine which were potentially …

Background The effectiveness of influenza vaccination in reducing influenza-related
hospitalizations among patients with COPD is not well described, and influenza vaccination uptake …

Background Lower respiratory tract infection (LRTI) is the third leading cause of death
worldwide and the first leading cause of death in low‐income countries. Community‐acquired …

Background Pneumocystis pneumonia is a severe opportunistic fungal infection. Outbreaks
among renal transplant recipients have been reported in Europe and Japan, but never in …

Background Seasonal respiratory viral infections are associated with exacerbations and
morbidity among patients with COPD. The real‐world clinical outcomes associated with …

Background A small proportion of patients account for the majority of health care spending.
We used detailed clinical and administrative data to explore clinical characteristics, patterns …

Chronic obstructive pulmonary disease (COPD) is a leading cause of hospital admission, the
fifth leading cause of death in North America, and is estimated to cost $49 billion annually …

Background Frailty is associated with poor postoperative outcomes, but existing data do not
describe frailty's interaction with tumour characteristics at the time of cancer surgery. Our …

Background Patients who engage in Advance Care Planning (ACP) are more likely to get
care consistent with their values. We sought to determine the barriers and facilitators to ACP …