Research Article

Verification of the Efficacy and Safety of Qi-Replenishing Chinese Medicine in Treating Prediabetes: A Meta-Analysis and Literature Review

Table 1

PICOS criteria for inclusion and exclusion of literatures in this study.

ParametersInclusion criteriaExclusion criteria

PatientsPatients with prediabetesPatients with diabetes, or patients without prediabetes.
InterventionTreatment using qi-replenishing Chinese medicineTreatment without using qi-replenishing Chinese medicine
ComparisonTreatment using lifestyle modification (LM), or LM + metformin, or LM + placeboTreatment without using LM
OutcomeIncidence of diabetes, or normalization of blood glucose (NBG), or fasting blood glucose (FBG), or 2 h postprandial blood glucose (2hPG), or HbA1c, or adverse eventWithout using the indices of incidence of diabetes, NBG, FBG, 2hPG, HbA1c and adverse event
Study designRandomized controlled trials (RCTs) and Jadad score ≥4Non-RCT or Jadad score <4