GPRD: ages 0–84 inhaler and COPD diagnosis | HES: ages 0–84 emergency admissions | Mortality: ages 0–84 | ||||
1991 | 1994 | 1991 | 1994 | 1991 | 1994 | |
HSE95 symptoms, ages 2–84 | 0.78 | 0.84 | 0.88 | |||
GPRD inhaler and diagnosis of COPD, ages 0–84 | 0.70 | 0.70 | 0.59 | 0.81 | ||
GPRD diagnosis only, ages 0–84 | 0.71 | 0.62 | ||||
HES: ages 0–84 | 0.91 | 0.85 |
HSE95: Health Survey for England 1995
GPRD: General Practice Research Database
HES: Hospital Episode Statistics