Drona Prakash Rasali

Dr. Drona Prakash Rasali

School of Population and Public Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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Research Focus & Metrics

Academic Career Length

14Years (2013-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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28 September 2015 in Injury Epidemiology
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Journal Article
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SJShanthi Johnson
Shanthi Johnson
SKSheila Kelly
Sheila Kelly
Drona Prakash RasaliDrona Prakash Rasali
Drona Prakash Rasali
Falls are the leading cause of injury-related hospital admissions in Canadian older adults, accounting for 85 % of injury hospitalizations among older adults aged over 65 years. While many of these injuries can lead to death, the survival rates of fall-related injuries are rarely examined. This surveillance study examined the fall injury hospitalization and survival rates among older adults in the context of place. Saskatchewan’s health administrative data on injury hospitalizations among individuals aged 65 years and over (n = 39,867) was utilized for this study. Variables of interest included age group, sex, and the geographical area of residence at the time of hospitalization (rural, urban, north). Logistic regression analysis was applied to determine the association of variables of interest (age group, sex, and area of residence at the time of hospitalization as the covariate) with frequency of fall injury hospitalizations. Probable time to death due to fall-related injury hospitalization was determined by survival analysis. Three key findings that emerged from the present study are the following: (1) fall injury hospitalizations accounted for 77 % of all injury hospitalizations; (2) fall injury hospitalization rates varied by age group, sex, and area of residence, with advancing age, women, and certain geographical areas showing higher rates; and (3) survival rates also varied by sex and area of residence. Women had longer survival estimates after a fall injury hospitalization compared to men, and those living in the north have the shortest survival estimates. The findings from the study highlighted the high rate of fall-related injury hospitalization among older adults varying with their age group, sex, and area of residence. These factors need to be considered in injury surveillance and fall prevention research as well as programs and policies that support the reduction of falls.

31 October 2021 in Viruses
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HGHéctor Alexander Velásquez García
Héctor Alexander Velásquez García
JWJames Wilton
James Wilton
KSKate Smolina
Kate Smolina
MCMei Chong
Mei Chong
Drona Prakash RasaliDrona Prakash Rasali
Drona Prakash Rasali
NJNaveed Zafar Janjua
Naveed Zafar Janjua
This study identified factors associated with hospital admission among people with laboratory-diagnosed COVID-19 cases in British Columbia. The study used data from the BC COVID-19 Cohort, which integrates data on all COVID-19 cases with data on hospitalizations, medical visits, emergency room visits, prescription drugs, chronic conditions and deaths. The analysis included all laboratory-diagnosed COVID-19 cases in British Columbia to 15 January 2021. We evaluated factors associated with hospital admission using multivariable Poisson regression analysis with robust error variance. Of the 56,874 COVID-19 cases included in the analysis, 2298 were hospitalized. Factors associated with increased hospitalization risk were as follows: male sex (adjusted risk ratio (aRR) = 1.27; 95% CI = 1.17–1.37), older age (p-trend < 0.0001 across age groups increasing hospitalization risk with increasing age [aRR 30–39 years = 3.06; 95% CI = 2.32–4.03, to aRR 80+ years = 43.68; 95% CI = 33.41–57.10 compared to 20–29 years-old]), asthma (aRR = 1.15; 95% CI = 1.04–1.26), cancer (aRR = 1.19; 95% CI = 1.09–1.29), chronic kidney disease (aRR = 1.32; 95% CI = 1.19–1.47), diabetes (treated without insulin aRR = 1.13; 95% CI = 1.03–1.25, requiring insulin aRR = 5.05; 95% CI = 4.43–5.76), hypertension (aRR = 1.19; 95% CI = 1.08–1.31), injection drug use (aRR = 2.51; 95% CI = 2.14–2.95), intellectual and developmental disabilities (aRR = 1.67; 95% CI = 1.05–2.66), problematic alcohol use (aRR = 1.63; 95% CI = 1.43–1.85), immunosuppression (aRR = 1.29; 95% CI = 1.09–1.53), and schizophrenia and psychotic disorders (aRR = 1.49; 95% CI = 1.23–1.82). In an analysis restricted to women of reproductive age, pregnancy (aRR = 2.69; 95% CI = 1.42–5.07) was associated with increased risk of hospital admission. Older age, male sex, substance use, intellectual and developmental disability, chronic comorbidities, and pregnancy increase the risk of COVID-19-related hospitalization.

1 April 2015 in Journal of Clinical Densitometry
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Journal Article
Closed access
KMKatherine M. McLeod
Katherine M. McLeod
SJShanthi Johnson
Shanthi Johnson
Drona Prakash RasaliDrona Prakash Rasali
Drona Prakash Rasali
AVAshok Verma
Ashok Verma

20 October 2013 in BMC Cardiovascular Disorders
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Journal Article
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CRCynthia Robitaille
Cynthia Robitaille
CBChristina Bancej
Christina Bancej
SDSulan Dai
Sulan Dai
KTKaren Tu
Karen Tu
Drona Prakash RasaliDrona Prakash Rasali
Drona Prakash Rasali
HQHude Quan
Hude Quan
Background: Canadian provinces and territories routinely collect health information for administrative purposes. This study used Canadian medical and hospital administrative data for population-based surveillance of diagnosed ischemic heart disease (IHD). Methods: Hospital discharge abstracts and physician billing claims data from seven provinces were analyzed to estimate prevalence and incidence of IHD using three validated algorithms: a) one hospital discharge abstract with an IHD diagnosis or procedure code (1H); b) 1H or at least three physician claims within a one-year period (1H3P) and c) 1H or at least two physician claims within a one-year period (1H2P). Crude and age-standardized prevalence and incidence rates were calculated for Canadian adults aged 20 +. Results: IHD prevalence and incidence varied by province, were consistently higher among males than females, and increased with age. Prevalence and incidence were lower using the 1H method compared to using the 1H2P or 1H3P methods in all provinces studied for all age groups. For instance, in 2006/07, crude prevalence by province ranged from 3.4%-5.5% (1H), from 4.9%-7.7% (1H3P) and from 6.0%-9.2% (1H2P). Similarly, crude incidence by province ranged from 3.7-5.9 per 1,000 (1H), from 5.0-6.9 per 1,000 (1H3P) and from 6.1-7.9 per 1,000 (1H2P). Conclusions: Study findings show that incidence and prevalence of diagnosed IHD will be underestimated by as much as 50% using inpatient data alone. The addition of physician claims data are needed to better assess the burden of IHD in Canada.

21 February 2022 in Data
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SRSharon Relova
Sharon Relova
YJYayuk Joffres
Yayuk Joffres
Drona Prakash RasaliDrona Prakash Rasali
Drona Prakash Rasali
LZLi Rita Zhang
Li Rita Zhang
GMGeoffrey McKee
Geoffrey McKee
NJNaveed Zafar Janjua
Naveed Zafar Janjua
Area-based socio-economic indicators, such as the Canadian Index of Multiple Deprivation (CIMD), have been used in equity analyses to inform strategies to improve needs-based, timely, and effective patient care and public health services to communities. The CIMD comprises four dimensions of deprivation: residential instability, economic dependency, ethno-cultural composition, and situational vulnerability. Using the CIMD methodology, the British Columbia Index of Multiple Deprivation (BCIMD) was developed to create indexes at the Community Health Services Area (CHSA) level in British Columbia (BC). BCIMD indexes are reported by quintiles, where quintile 1 represents the least deprived (or ethno-culturally diverse), and quintile 5 is the most deprived (or diverse). Distinctive characteristics of a community can be captured using the BCIMD, where a given CHSA may have a high level of deprivation in one dimension and a low level of deprivation in another. The utility of this data as a surveillance tool to monitor population demography has been used to inform decision making in healthcare by stakeholders in the regional health authorities and governmental agencies. The data have also been linked to health care data, such as COVID-19 case incidence and vaccination coverage, to understand the epidemiology of disease burden through an equity lens.

3 April 2015 in Archives of Public Health
Verified
Journal Article
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LZLi Rita Zhang
Li Rita Zhang
Drona Prakash RasaliDrona Prakash Rasali
Drona Prakash Rasali
Canada is among the world’s leading nations with the longest life expectancy at birth (LE0), and British Columbia (BC) ranks top among Canadian provinces and territories for LE0 in both men and women. This paper examined recent data as well as projected trends in LE0 of Canadian men and women and explored the geographic and socioeconomic disparities in LE0 specific to BC. Using retrospective data on LE0 and age-standardized mortality rates, Canada was compared to 11 other Organization for Economic Cooperation and Development (OECD) countries with the longest LE0. Projections were made using linear regression modelling to the year of 2023. The association between regional LE0 and regional socioeconomic status (SES) was examined for the province of BC using its Local Health Area (LHA) level data on SES and LE0. In 2009, Canadian men (LE0: 78.7 years) and women (LE0: 83.3 years) ranked 7th and 8th, respectively among the 12 OECD nations under comparison. Significantly smaller annual gains in LE0 contributed to the losing of their top ranks in LE0 for Canadian men and women in recent years, which was projected to sustain. Higher mortality risks, particularly for lung cancer and external causes of mortality among women was found for Canada compared to leading countries on these measures. Geographic variations were evident in LE0 in BC, and there was a significant gap of 3.6 years in the average LE0 for BC’s LHAs in the lowest SES tertile (78.6 years, 95% CI: 78.0-79.3) compared to those in the highest SES tertile (82.2 years, 95% CI: 81.6-82.8). Canada continues to remain one of the OECD countries with longest living population. With the highest LE0 in the country, British Columbia has an opportunity to address socio-economic disparities in LE0.