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Observational Study
©The Author(s) 2025.
World J Hepatol. Sep 27, 2025; 17(9): 110384
Published online Sep 27, 2025. doi: 10.4254/wjh.v17.i9.110384
Figure 1
Figure 1 Flow diagram of study selection. A total of 87 trials were identified through ClinicalTrials.gov (July 2002-July 2018). After screening, 18 trials were excluded due to irrelevant populations or interventions. Sixty-nine trials met inclusion criteria and were included in the final analysis.


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