Spatial and temporal changes of breast-conserving surgery rates and its influential factors among Chinese patients with breast cancer from 2013 to 2019: a registry-based study by Pengpeng Ye, Yuan Yang, Wei Hu, Lingyan Dai, Erwei Song, Shunrong Li, Liling Zhu, Kai Chen, Yanjie Xu, Xiaoyu Wang, Jianli Zhao, Jianrong He, Queran Lin, Tongrui Shang, Xiujuan Gui, Ziliang Zhong, Qianru Chen, Qing Yan, Xiaoliang Huang, Zijian Liang

“…Objective Our study aims to evaluate the spatial and temporal changes of breast-conserving surgery (BCS) rates and influential factors of BCS in Guangdong Province, China.Design, setting and participants This registry-based cohort study analysed the data of patients of all age groups, from the medical record cover page, which was mandatorily collected for inpatients by the Health Administrative Department of Guangdong Province, China. …”
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Hospital and physician-based mental healthcare during 12 months of opioid agonist treatment for opioid use disorder: Exploring costs and factors associated with acute care. by Tea Rosic, Glenda Babe, Myanca Rodrigues, Brittany B Dennis, Richard Perez, Claire de Oliveira, Andrew Worster, Lehana Thabane, Zainab Samaan

“…<h4>Methods</h4>We linked observational cohort data collected from 3,430 individuals receiving treatment for OUD in Ontario, Canada, with health administrative records available for all individuals enrolled in Ontario's public health insurance program. …”
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