Smoking and influenza-associated morbidity and mortality: a systematic review and meta-analysis
Background: Although smoking has been recognized as a risk factor for many respiratory
diseases, its effects of influenza-associated morbidity and mortality remain controversial. We
conducted a systematic review and meta-analysis to assess the impact of smoking on
influenza-associated hospital admissions, intensive care unit (ICU) admissions, and deaths.
Methods: We searched the databases of PubMed, CINAHL, EMBASE, and the China
National Knowledge Infrastructure for all observational studies published between 1 …
diseases, its effects of influenza-associated morbidity and mortality remain controversial. We
conducted a systematic review and meta-analysis to assess the impact of smoking on
influenza-associated hospital admissions, intensive care unit (ICU) admissions, and deaths.
Methods: We searched the databases of PubMed, CINAHL, EMBASE, and the China
National Knowledge Infrastructure for all observational studies published between 1 …
