Table 1 Quality assessment
Author name | Selection | Ascertainment | Outcome | Overall | |||
|---|---|---|---|---|---|---|---|
Sample size adequate | Population representative (multicenter) | Test adequate | Comorbidity confirmation adequate | Outcome reported adequately (clinical staff) | Follow-up long enough (≥2 weeks) | Overall (≥4 stars = lower risk of bias) | |
Cai et al. [12] | * | * | * | *** | |||
Chen et al. [13] | * | * | * | * | * | ***** | |
Guan et al. [14] | * | * | * | * | * | * | ****** |
Huang et al. [15] | * | * | * | * | **** | ||
Lagana et al. [16] | * | * | * | * | **** | ||
Shi et al. [17] | * | * | * | * | * | * | ****** |
Sonzogni et al. [18] | * | * | * | * | * | * | ***** |
Tian et al. [19] | * | * | * | * | **** | ||
Wander et al. [20] | * | * | ** | ||||
Xie et al. [21] | * | * | * | * | **** | ||
Xu et al. [22] | * | * | ** | ||||
Xu et al. [23] | * | * | * | * | **** | ||
Yang et al. [24] | * | * | * | * | * | ***** | |
Zhang et al. [25] | * | * | * | *** | |||
Zhao et al. [26] | * | * | * | * | **** | ||