Methods	RCT Concealment of allocation: DONE Blinded assessment of outcomes: NO Follow-up of patients: 2months Baseline measurement: DONE Reliable primary outcome measure: DONE Protection against contamination: DONE
Participants	Location: UK Patients with chronic obstructive pulmonary disease, recruited from medical wards Mean age: treatment = 65.7 (SD 1.6); control = 68 (SD 1.2) Treatment= 41 Control = 40
Interventions	Hospital at home (early discharge) Type of service: emergency admissions recruited from the ward (early discharge within 3 days of readmission) respiratory nurse (did not prescribe), GP provided out of hours medical care Control group: in-patient hospital care
Outcomes	Outcomes Readmission Hospital length of stay Mortality
Notes
Risk of bias
Bias	Authors’ judgement	Support for judgement
Allocation concealment (selection bias)	Low risk	A - Adequate