Association of smoking and severity of COVID-19 infection among 5,889 patients in Malaysia: a multi-center observational study

• Main Authors: Ismail, Norliana, Hassan, Noraryana, Abd Hamid, Muhammad Hairul Nizam, Yusoff, Ummi Nadiah, Khamal, Noor Raihan, Omar, Mohd Azahadi, Xin, Ci Wong, Pathmanathan, Mohan Dass, Mohd Zin, Shahanizan, Muhammad Zin, Faizah, Nik Mohamed, Mohamad Haniki, Mohd Nor, Norashidah
• Format: Article
• Published: Elsevier 2022
• Online Access: http://psasir.upm.edu.my/id/eprint/100428/; https://www.sciencedirect.com/science/article/pii/S1201971222000121
• Institution: Universiti Putra Malaysia

Objective: This study aims to investigate the association between smoking and the severity of COVID-19 infection during the initial wave of this pandemic in Malaysia. Methods: This is a multi-center observational study using secondary hospital data collected retrospectively from February 1, 2020, u...