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1. A shifting terrain: Understanding the perspectives of walk-in physicians on their roles amid worsening primary care access in Ontario, Canada

Author

Terpou, Braeden A., primary, Lapointe-Shaw, Lauren, additional, Wang, Ruoxi, additional, Martin, Danielle, additional, Tadrous, Mina, additional, Bhatia, Sacha, additional, Shuldiner, Jennifer, additional, Berthelot, Simon, additional, Thakkar, Niels, additional, McBrien, Kerry, additional, Salahub, Christine, additional, Kiran, Tara, additional, Ivers, Noah, additional, and Desveaux, Laura, additional

Published
2024
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2. Characterizing medical patients with delirium: A cohort study comparing ICD-10 codes and a validated chart review method

Author

Sheehan, Kathleen A., primary, Shin, Saeha, additional, Hall, Elise, additional, Mak, Denise Y. F., additional, Lapointe-Shaw, Lauren, additional, Tang, Terence, additional, Marwaha, Seema, additional, Gandell, Dov, additional, Rawal, Shail, additional, Inouye, Sharon, additional, Verma, Amol A., additional, and Razak, Fahad, additional

Published
2024
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3. Patients report high information coordination between rostered primary care physicians and specialists: A cross-sectional study.

Author

Rahman, Bahram, Babe, Glenda, Griffith, Lauren E., Price, David, Lapointe-Shaw, Lauren, and Costa, Andrew P.

Subjects
MEDICAL care use, MEDICAL care surveys, PATIENT experience, HEALTH care teams, PRIMARY care
Abstract

Our study aimed to describe patient experience of information coordination between their primary care physician and specialists and to examine the associations between their experience and their personal and primary care characteristics. We conducted a cross-sectional study of Ontario residents rostered to a primary care physician and visited a specialist physician in the previous 12 months by linking population-based health administrative data to the Health Care Experience Survey collected between 2013 and 2020. We described respondents' sociodemographic and health care utilization characteristics and their experience of information coordination between their primary care physician and specialists. We measured the adjusted association between patient-reported measures of information coordination before and after respondents received care from a specialist physician and their type of primary care model. 1,460 out 20,422 (weighted 7.5%) of the respondents reported that their specialist physician did not have basic medical information about their visit from their primary care physician in the previous 12 months. 2,298 out of 16,442 (weighted 14.9%) of the respondents reported that their primary care physician seemed uninformed about the care they received from the specialist. Females, younger individuals, those with a college or undergraduate level of education, and users of walk-in clinics had a higher likelihood of reporting a lack of information coordination between the primary care and specialist physicians. Only respondents rostered to an enhanced fee-for-service model had a higher odds of reporting that the specialist physician did not have basic medical information about their visit compared to those rostered to a Family Health Team (OR 1.22, 95% Cl 1.12–1.40). We found no significant association between respondent's type of primary care model and that their primary care physician was uninformed about the care received from the specialist physician. In this population-based health study, respondents reported high information coordination between their primary care physician and specialists. Except for respondents rostered to an enhanced fee-for-service model of care, we did not find any difference in information coordination across other primary care models. [ABSTRACT FROM AUTHOR]

Published
2024
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4. A simple electronic medical record-based predictors of illness severity in sepsis (sepsis) score.

Author

Cressman, Alex M., Wen, Bijun, Saha, Sudipta, Jun, Hae Young, Waters, Riley, Lail, Sharan, Jabeen, Aneela, Koppula, Radha, Lapointe-Shaw, Lauren, Sheehan, Kathleen A., Weinerman, Adina, Daneman, Nick, Verma, Amol A., Razak, Fahad, and MacFadden, Derek

Subjects
SEPSIS, LENGTH of stay in hospitals, ELECTRONIC health records, HOSPITAL mortality
Abstract

Objective: Current scores for predicting sepsis outcomes are limited by generalizability, complexity, and electronic medical record (EMR) integration. Here, we validate a simple EMR-based score for sepsis outcomes in a large multi-centre cohort. Design: A simple electronic medical record-based predictor of illness severity in sepsis (SEPSIS) score was developed (4 additive lab-based predictors) using a population-based retrospective cohort study. Setting: Internal medicine services across four academic teaching hospitals in Toronto, Canada from April 2010—March 2015 (primary cohort) and 2015–2019 (secondary cohort). Patients: We identified patients admitted with sepsis based upon receipt of antibiotics and positive cultures. Measurements and main results: The primary outcome was in-hospital mortality and secondary outcomes were ICU admission at 72 hours, and hospital length of stay (LOS). We calculated the area under the receiver operating curve (AUROC) for the SEPSIS score, qSOFA, and NEWS2. We then evaluated the SEPSIS score in a secondary cohort (2015–2019) of hospitalized patients receiving antibiotics. Our primary cohort included 1,890 patients with a median age of 72 years (IQR: 56–83). 9% died during hospitalization, 18.6% were admitted to ICU, and mean LOS was 12.7 days (SD: 21.5). In the primary and secondary (2015–2019, 4811 patients) cohorts, the AUROCs of the SEPSIS score for predicting in-hospital mortality were 0.63 and 0.64 respectively, which were similar to NEWS2 (0.62 and 0.67) and qSOFA (0.62 and 0.68). AUROCs for predicting ICU admission at 72 hours, and length of stay > 14 days, were similar between scores, in the primary and secondary cohorts. All scores had comparable calibration for predicting mortality. Conclusions: An EMR-based SEPSIS score shows a similar ability to predict important clinical outcomes compared with other validated scores (qSOFA and NEWS2). Because of the SEPSIS score's simplicity, it may prove a useful tool for clinical and research applications. [ABSTRACT FROM AUTHOR]

Published
2024
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5. The impact of the early COVID-19 pandemic on healthcare system resource use and costs in two provinces in Canada: An interrupted time series analysis

Author

Zeitouny, Seraphine, primary, Cheung, Douglas C., additional, Bremner, Karen E., additional, Pataky, Reka E., additional, Pequeno, Priscila, additional, Matelski, John, additional, Peacock, Stuart, additional, Del Giudice, M. Elisabeth, additional, Lapointe-Shaw, Lauren, additional, Tomlinson, George, additional, Mendlowitz, Andrew B., additional, Mulder, Carol, additional, Tsui, Teresa C. O., additional, Perlis, Nathan, additional, Walker, Jennifer D., additional, Sander, Beate, additional, Wong, William W. L., additional, Krahn, Murray D., additional, and Kulkarni, Girish S., additional

Published
2023
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6. Imaging delays among medical inpatients in Toronto, Ontario: A cohort study

Author

Bartsch, Emily, primary, Shin, Saeha, additional, Roberts, Surain, additional, MacMillan, Thomas E., additional, Fralick, Michael, additional, Liu, Jessica J., additional, Tang, Terence, additional, Kwan, Janice L., additional, Weinerman, Adina, additional, Verma, Amol A., additional, Razak, Fahad, additional, and Lapointe-Shaw, Lauren, additional

Published
2023
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7. Comparison of longitudinal trends in self-reported symptoms and COVID-19 case activity in Ontario, Canada

Author

Maharaj, Arjuna S., primary, Parker, Jennifer, additional, Hopkins, Jessica P., additional, Gournis, Effie, additional, Bogoch, Isaac I., additional, Rader, Benjamin, additional, Astley, Christina M., additional, Ivers, Noah M., additional, Hawkins, Jared B., additional, Lee, Liza, additional, Tuite, Ashleigh R., additional, Fisman, David N., additional, Brownstein, John S., additional, and Lapointe-Shaw, Lauren, additional

Published
2022
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8. Web and phone-based COVID-19 syndromic surveillance in Canada: A cross-sectional study

Author

Lapointe-Shaw, Lauren, primary, Rader, Benjamin, additional, Astley, Christina M., additional, Hawkins, Jared B., additional, Bhatia, Deepit, additional, Schatten, William J., additional, Lee, Todd C., additional, Liu, Jessica J., additional, Ivers, Noah M., additional, Stall, Nathan M., additional, Gournis, Effie, additional, Tuite, Ashleigh R., additional, Fisman, David N., additional, Bogoch, Isaac I., additional, and Brownstein, John S., additional

Published
2020
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9. Effects of quality-based procedure hospital funding reform in Ontario, Canada: An interrupted time series study

Author

Li, Alvin Ho-ting, primary, Palmer, Karen S., additional, Taljaard, Monica, additional, Paterson, J. Michael, additional, Brown, Adalsteinn, additional, Huang, Anjie, additional, Marani, Husayn, additional, Lapointe-Shaw, Lauren, additional, Pincus, Daniel, additional, Wettstein, Marian S., additional, Kulkarni, Girish S., additional, Wasserstein, David, additional, and Ivers, Noah, additional

Published
2020
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11. Identifying cirrhosis, decompensated cirrhosis and hepatocellular carcinoma in health administrative data: A validation study

Author

Lapointe-Shaw, Lauren, primary, Georgie, Firass, additional, Carlone, David, additional, Cerocchi, Orlando, additional, Chung, Hannah, additional, Dewit, Yvonne, additional, Feld, Jordan J., additional, Holder, Laura, additional, Kwong, Jeffrey C., additional, Sander, Beate, additional, and Flemming, Jennifer A., additional

Published
2018
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12. Adiposity QTL Adip20 decomposes into at least four loci when dissected using congenic strains

Author

Lin, Cailu, primary, Fesi, Brad D., additional, Marquis, Michael, additional, Bosak, Natalia P., additional, Lysenko, Anna, additional, Koshnevisan, Mohammed Amin, additional, Duke, Fujiko F., additional, Theodorides, Maria L., additional, Nelson, Theodore M., additional, McDaniel, Amanda H., additional, Avigdor, Mauricio, additional, Arayata, Charles J., additional, Shaw, Lauren, additional, Bachmanov, Alexander A., additional, and Reed, Danielle R., additional

Published
2017
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