[HTML][HTML] Effectiveness of COVID-19 vaccines against symptomatic SARS-CoV-2 infection and severe outcomes with variants of concern in Ontario

…, KL Schwartz, ME Sundaram, A Calzavara… - Nature …, 2022 - nature.com
SARS-CoV-2 variants of concern (VOC) are more transmissible and may have the potential
for increased disease severity and decreased vaccine effectiveness. We estimated the …

Effectiveness of BNT162b2 and mRNA-1273 covid-19 vaccines against symptomatic SARS-CoV-2 infection and severe covid-19 outcomes in Ontario, Canada: test …

…, SA Buchan, SE Wilson, B Chen, A Calzavara… - bmj, 2021 - bmj.com
Objective To estimate the effectiveness of mRNA covid-19 vaccines against symptomatic
infection and severe outcomes (hospital admission or death). Design Test negative design …

[HTML][HTML] The increasing burden and complexity of multimorbidity

AJ Koné Pefoyo, SE Bronskill, A Gruneir, A Calzavara… - BMC public health, 2015 - Springer
Background Multimorbidity, the co-occurrence of two or more chronic conditions, is common
among older adults and is known to be associated with high costs and gaps in quality of care…

Epidemiology of myocarditis and pericarditis following mRNA vaccination by vaccine product, schedule, and interdose interval among adolescents and adults in …

…, S Alley, JC Kwong, S Nasreen, A Calzavara… - JAMA network …, 2022 - jamanetwork.com
Importance Increased rates of myocarditis or pericarditis following receipt of COVID-19
mRNA vaccines have been observed. However, few available data are associated with …

[HTML][HTML] Looking beyond income and education: socioeconomic status gradients among future high-cost users of health care

T Fitzpatrick, LC Rosella, A Calzavara, J Petch… - American journal of …, 2015 - Elsevier
Introduction Healthcare spending occurs disproportionately among a very small portion of
the population. Research on these high-cost users (HCUs) of health care has been …

Cardiovascular safety of inhaled long-acting bronchodilators in individuals with chronic obstructive pulmonary disease

A Gershon, R Croxford, A Calzavara, T To… - JAMA internal …, 2013 - jamanetwork.com
Importance Chronic obstructive pulmonary disease (COPD) is a common and deadly disease.
Long-acting inhaled β-agonists and anticholinergics, first-line medications for COPD, …

[HTML][HTML] High-cost health care users in Ontario, Canada: demographic, socio-economic, and health status characteristics

…, T Fitzpatrick, WP Wodchis, A Calzavara… - BMC health services …, 2014 - Springer
Background Health care spending is overwhelmingly concentrated within a very small
proportion of the population, referred to as the high-cost users (HCU). To date, research on HCU …

Sex differences in implantable cardioverter-defibrillator outcomes: findings from a prospective defibrillator database

…, A Pinter, K Nanthakumar, AJ Calzavara… - Annals of internal …, 2012 - acpjournals.org
Background: Sex differences in the use and outcomes of implantable cardioverter-defibrillators
(ICDs) have not been fully studied. Objective: To examine potential sex differences in ICD …

[HTML][HTML] The association between multimorbidity and hospitalization is modified by individual demographics and physician continuity of care: a retrospective cohort …

…, AJ Kone, K Thavorn, Y Petrosyan, A Calzavara… - BMC health services …, 2016 - Springer
Background Multimorbidity poses a significant clinical challenge and has been linked to
greater health services use, including hospitalization; however, we have little knowledge about …

Individual and social determinants of SARS-CoV-2 testing and positivity in Ontario, Canada: a population-wide study

ME Sundaram, A Calzavara, S Mishra, R Kustra… - Cmaj, 2021 - Can Med Assoc
Andrew Calzavara conducted all data analyses (data set and variable creation and … Jeffrey
Kwong, Sharmistha Mishra, Stefan Baral, Rafal Kustra and Andrew Calzavara designed the …