Correlation Between the Online Visiting Time and Frequency Increase in Telemedicine Services Offered by Health Care Providers Before, During, and After the COVID-19 Pandemic in China: Cross-Sectional Study

Weiyi Wang   ^{1 *} , PhD ;   Yuntian Chu   ^{1, 2 *} , PhD ;   Fangfang Cui   ^{1, 2} , MM ;   Xiaobing Shi   ¹ , MSc ;   Xu Zhang   ¹ , MSc ;   Dongxu Sun   ¹ , MSc ;   Jinming Shi   ¹ , MSc ;   Jie Zhao   ^{1, 2, 3} , PhD

¹ National Engineering Laboratory for Internet Medical Systems and Applications, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China

² Institute of Intelligent Medicine, Henan Academy of Innovations in Medical Science, Zhengzhou, China

³ Shanghai Artificial Intelligence Laboratory, Shanghai, China

*these authors contributed equally