Review Article

A Systematic Review and Meta-Analysis of the Relationship between Receiving the Flu Vaccine with Acute Cerebrovascular Accident and Its Hospitalization in the Elderly

Table 2

Adjusted variables in the studies that investigate the relationship between receiving the flu vaccine with stroke and its hospitalization in the elderly.

Publication first authorYearAdjusted variables

Lin [43]2014Diabetes, hypertension, hyperlipidemia, coronary heart disease, atrial fibrillation, and chronic rheumatic Int. J. Environ. Res-heart disease
Nichol [30]2003Age, sex, and site
Vamos [45]2016Age, sex, index of multiple deprivation quintile, number of comorbid conditions, duration of diabetes, body mass index, smoking status, systolic and diastolic blood pressure, serum cholesterol and glycated hemoglobin, use of lipid-lowering drugs, anticoagulants or antiplatelet drugs, antihypertensive drugs, insulin, oral antihyperglycemic drugs or immunosuppressive drugs, number of hospital admissions during the previous year, history of pneumococcal vaccination, and influenza vaccination during the previous year and cohort year
Hung [41]2010ā€”
Chang [46]2020Age, gender, premium salary, urbanization level, CCI score, catastrophic illnesses, status as long-term care facility resident, outpatient utilization, hospital admission, and utilization of health examination services
Ohmit [37]1995ā€”
Puig-Barbera J [39]2007Lifestyle factors use of healthcare functionality propensity score nonseason data
Pinol-Ripoll [40]2008Lifestyle factors
Grau [31]2005Hypertension, alcohol abstinence, high alcohol consumption, and sports
Lavallee P [29]2002Age, sex, diabetes, hypertension, body mass index, current smoking, and cholesterol
Smeeth [24]2004Age
Lavallee PC [42]2014Propensity score
Wang [38]2004Pulmonary disease
Siriwardena [44]2014Chronic heart disease, asthma/COPD, diabetes, chronic renal failure, chronic liver disease, splenectomy, immunosuppression/HIV, Charlson (comorbidity) index, hypertension, peripheral vascular disease, hyperlipidemia, smoking status, family history of stroke/TIA, family history of AMI, aspirin uptake, antihypertensive treatment, statin uptake, number of home visits, and general practice consultation