Table 1.
Search strategy used in the US National Library of Medicine (PubMed) and Medical Literature Analysis and Retrieval System Online (MEDLINE) and adapted to the other sources, according to selected descriptors
| Research question | How prevalent is sarcopenia in liver cirrhosis? |
| Search concepts | Liver cirrhosis, Sarcopenia |
| Sources | PubMed, MEDLINE, EMBASE, Scopus, Ovid, and Google Scholar |
| Limitations | “Human” |
| Grey literature | https://arxiv.org/. Furthermore, https://www.base-search.net/ was used to avoid publication bias in terms of contradictory and negative results' reports, especially in a gray research question such as the one we selected |
| Search date | Inception (2001) to January 2023 |
| N | Searches | Results |
| #1 | Sarcopenia | 15,052 |
| #2 | Liver cirrhosis OR Liver disease | 804,467 |
| #3 | Review OR Systematic Review OR Meta-analysis OR Comment OR Editorial | 5,243,606 |
| #4 | #1 AND #2 NOT #3 | 667 |