Distribution of COVID-19 positive and negative patients according to demographics (includes sex, race, ethnicity, and age) along with its statistical significance.

These patients have CXRi, RoS, and history of past diseases which were considered for our final model b'*'.这些患者所具备的胸部X线影像（CXRi）、系统回顾（RoS）以及既往病史，均被纳入本研究的最终模型b'*'。