Inhaled steroids and mortality in COPD: bias from unaccounted immortal time.

Suissa, S

Inhaled steroids and mortality in COPD: bias from unaccounted immortal time. [electronic resource] - The European respiratory journal Mar 2004 - 391-5 p. digital

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

0903-1936

10.1183/09031936.04.00062504 doi


Administration, Inhalation
Aerosols
Aged
Bias
Bronchodilator Agents--administration & dosage
Cohort Studies
Databases, Factual
Female
Glucocorticoids--administration & dosage
Humans
Male
Observation
Proportional Hazards Models
Pulmonary Disease, Chronic Obstructive--drug therapy
Research Design
Time Factors