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Table 1 Quality assessment

From: Liver injury with COVID-19: laboratory and histopathological outcome—systematic review and meta-analysis

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] *   *   * * ****