n: participants, RT-PCR: reverse transcription-polymerase chain reaction, SARS-CoV-2: severe acute respiratory syndrome coronavirus 2, WBC: white blood cell, LDH: lactate dehydrogenase, PCT: procalcitonin, CT: computed tomography, CHF: congestive heart failure, BNP: brain natriuretic peptide, Me (2.5~97.5%): median value (2.5th and 97.5th percentiles), #: Fisher's exact test. The gene discussed is NPPB; the disease is congestive heart failure.