In the univariate logistic regression analysis, the predictive factors for the high-Myl9 group included respiratory comorbidities at the time of diagnosis of COVID-19, the WBC count at 3 months, the neutrophil count at 3-months, the monocyte count at 3-months, the WBC count at 6-months, and the neutrophil count at 6-months, as shown in Table 4. Here, MYL9 is linked to COVID-19.