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Search strategy for PubMed/Medline; MeSH and free text terms are marked with the syntax (Mesh) and (tiab), respectively.
| Search # | Search Strategy | Items Found |
|---|---|---|
| 1 | “Glioblastoma” (Mesh) | 32,216 |
| 2 | “Glioblastoma/blood” (Mesh) | 326 |
| 3 | “Glioblastoma/immunology” (Mesh) | 1300 |
| 4 | “Glioblastoma/mortality” (Mesh) | 2900 |
| 5 | #1 AND (#2 OR #3 OR #4) | 4340 |
| 6 | “NLR” (tiab) | 13,458 |
| 7 | “PLR” (tiab) | 5803 |
| 8 | “SII” (tiab) | 3635 |
| 9 | “SIRI” (tiab) | 591 |
| 10 | “Cell-free DNA” (tiab) | 6465 |
| 11 | #5 AND (#6 OR #7 OR #8 OR #9 OR #10) | 29 |
