Fig 1.
Flow diagram for the identification of studies included.
Fig 2.
Forest plot of the improvement in primary endpoints.
(a). Improvement rate of chest CT (b). Severe conversion rate of mild/moderate patients (c). Mortality rate of severe/critical patients (d). Negativity time of nucleic acid.
Fig 3.
Forest plot of the second endpoint of the clinical symptom improvement.
(a). Rate of fever reduction; (b). Time to the reduction of fever; (c). Improvement rate of cough; (d). Time to improvement of cough; (e). Improvement rate of breathless; (f). Improvement rate of fatigue.
Fig 4.
Forest plot of inflammatory markers.
(a). White blood cell count; (b). Lymphocyte count; (c). Neutrophils count; (d). C-reactive protein level.
Fig 5.
Forest plot of the hospital stay length in distinct stages of patients.
Table 1.
Subgroup and sensitivity analyses for the primary outcomes.