Fig. 2
After a 1:3 propensity score matching by baseline covariates with a caliper of 0.03, the analysis included 521 recipients of azvudine and 207 recipients of nirmatrelvir/ritonavir
Fig. 2 | BMC Infectious Diseases
After a 1:3 propensity score matching by baseline covariates with a caliper of 0.03, the analysis included 521 recipients of azvudine and 207 recipients of nirmatrelvir/ritonavir