| Evidence classification method： |
The GRADE method evaluates the quality of evidence for the effectiveness and safety of traditional Chinese medicine in the treatment of SS. According to the GRADE method, the quality of evidence is divided into four levels: high, medium, low, and very low; the strength of recommendation is divided into: strong recommendation and weak recommendation [6]. The GRADE evidence quality classification process considers five downgrading factors including risk of bias, consistency, accuracy, publication bias, and indirectness, and three upgrade factors including large effect size, confounding factor bias, and dose effect. Present the evidence through the evidence summary table. |
