Advertisement
Table 1 PubMed search strategy
| PubMed search | |||
|---|---|---|---|
| Category | Search | Query | Items found |
| Disease terms | #1 | "carcinoma, non small cell lung/drug therapy" [MeSH Terms] | 11,135 |
| Design terms | #2 | Randomized Controlled Trials as Topic [MeSH Major Topic] | 12,361 |
| #3 | "randomized controlled trials as topic" [MeSH Terms] | 85,095 | |
| #4 | Random Allocation [MeSH Terms] | 76,843 | |
| #5 | double blind method [MeSH Terms] | 118,616 | |
| #6 | "controlled clinical trial" [Publication Type] | 85,642 | |
| #7 | "randomized controlled trial" [Publication Type] | 344,749 | |
| #8 | "clinical trials as topic" [MeSH Terms] | 263,513 | |
| #9 | "clinical trial" [Publication Type] | 709,361 | |
| #10 | ((#2 or #3 or (#4 and (#5 or #8 or #9)) or #6 or #7)) | 509,729 | |
| #11 | ((randomization and control and clinical and trial)) | 10,468 | |
| #12 | (((randomised and control and clinical and trial) or (randomized and control and clinical and trial))) | 108,134 | |
| #13 | ((((double or single or triple or treble) and (blind* or mask*) and (random*)))) | 136,554 | |
| #14 | (((random and allocat*) and control* and trial)) | 4,775 | |
| #15 | (#12 or #13 or #14) | 214,899 | |
| #16 | (#10 or #15) | 527,440 | |
| #17 | (#1 AND #16) | 2,065 | |
| Exclusion terms | #18 | Case report [Title/Abstract] | 195,029 |
| #19 | Review [Publication Type] | 1,765,829 | |
| #20 | Letter [Publication Type] | 794,012 | |
| #21 | "systematic review" [Title/Abstract] | 39,341 | |
| #22 | "clinical review" [Title/Abstract] | 3,144 | |
| #23 | (#18 OR #19 OR #20 OR #21 OR #22) | 2,734,788 | |
| #24 | (#17 NOT #23) | 1,579 | |
| Year and language terms | #25 | ((#24) AND ("1995" [Date - Publication]: "2013" [Date - Publication])) AND English [Language] | 1,217 |
