Appendix 1.
Search Terms and Strategies
All Searches Conducted on December 21, 2018
| Database | Query | Results | ||
|---|---|---|---|---|
| PubMed MEDLINE | ((("Developing Countries"[Mesh] OR Developing Countr*[tiab] OR “Least Developed Countries”[tiab] OR “Least Developed Country”[tiab] OR Less-Developed Countr*[tiab] OR Under-Developed Nations[tiab] OR Under-Developed Nation[tiab] OR Underdeveloped Nations[tiab] OR Underdeveloped Nation[tiab] OR Third-World Countr* [tiab] OR Third-World Nations[tiab] OR Third-World Nation[tiab] OR Under-Developed Countr*[tiab] OR Underdeveloped Countr*[tiab] OR Developing Nations[tiab] OR Developing Nation[tiab] OR Less-Developed Nations[tiab] OR Less-Developed Nation[tiab] OR “low and middle income countries”[tiab] OR low-to-middle-income countries[tiab] OR LMIC[tiab] OR Afghanistan[MeSH] OR Benin[MeSH] OR Burkina Faso[MeSH] OR Burundi[MeSH] OR Central African Republic[MeSH] OR Chad[MeSH] OR Comoros[MeSH] OR Democratic Republic of the Congo[MeSH] OR Eritrea[MeSH] OR Ethiopia[MeSH] OR Gambia[MeSH] OR Guinea-Bissau[MeSH] OR Guinea[MeSH] OR Haiti[MeSH] OR "Democratic People's Republic of Korea"[Mesh] OR Liberia[MeSH] OR Madagascar[MeSH] OR Malawi[MeSH] OR Mali[MeSH] OR Mozambique[MeSH] OR Nepal[MeSH] OR Niger[MeSH] OR Rwanda[MeSH] OR Senegal[Mesh] OR Sierra Leone[MeSH] OR Somalia[MeSH] OR South Sudan[MeSH] OR "Syria"[Mesh] OR Tajikistan[Mesh] OR Tanzania[MeSH] OR Togo[MeSH] OR Uganda[MeSH] OR Yemen[MeSH] OR Zimbabwe[MeSH] OR Low-income countr*[tiab] OR “low-income economy”[tiab] OR “low-income economies”[tiab] OR Low-income nation[tiab] OR Low-income nations[tiab] OR Low-Resource countr*[tiab] OR “Low-Resource nation”[tiab] OR “Low-Resource nations”[tiab] OR Resource-limited countr*[tiab] OR Resource-limited nation[tiab] OR Resource-limited nations[tiab] OR Resource-limited setting*[tiab] OR Poor countr*[tiab] OR Afghanistan[tiab] OR Benin[tiab] OR Dahomey[tiab] OR Burkina Faso[tiab] OR Upper Volta[tiab] OR Burundi[tiab] OR Urundi[tiab] OR Central African Republic[tiab] OR Ubangi-Shari[tiab] OR Chad[tiab] OR Comoros[tiab] OR Mayotte[tiab] OR "Democratic People's Republic of Korea"[tiab] OR North Korea[tiab] OR “Democratic Republic of Congo”[tiab] OR “Democratic Republic of the Congo”[tiab] OR “Congo, Dem. Rep”[tiab] OR Kinshasa[tiab] OR “Belgian Congo”[tiab] OR Zaire[tiab] OR Katanga[tiab] OR Eritrea[tiab] OR Ethiopia[tiab] OR Gambia[tiab] OR Guinea-Bissau[tiab] OR Guinea[tiab] OR Haiti[tiab] OR Liberia[tiab] OR Madagascar[tiab] OR “Malagasy Republic”[tiab] OR Malawi[tiab] OR Nyasaland[tiab] OR Mali[tiab] OR Mozambique[tiab] OR “Portuguese East Africa”[tiab] OR Nepal[tiab] OR Niger[tiab] OR Rwanda[tiab] OR Ruanda[tiab] OR Senegal[tiab] OR Sierra Leone[tiab] OR Somalia[tiab] OR South Sudan[tiab] OR "Syria"[tiab] OR “Syrian Arab Republic”[tiab] OR Tajikistan[tiab] OR Tadzhik SSR[tiab] OR Tadzhik S.S.R.[tiab] OR Tadzhikistan[tiab] OR “Tadzhik Soviet Socialist Republic”[tiab] OR Tanzania[tiab] OR Zanzibar[tiab] OR Tanganyika[tiab] OR Togo[tiab] OR Togolese Republic[tiab] OR Uganda[tiab] OR Yemen[tiab] OR Aden[tiab] OR Zimbabwe[tiab] OR Southern Rhodesia[tiab]))) AND (((((neurological[tiab] OR cerebro*[tiab] OR brain[tiab] OR “central nervous system”[tiab] OR spinal cord[tiab] OR meninges[tiab])) AND (surgical*[tiab] OR surger*[tiab] OR operation*[tiab] OR operate*[tiab] OR operating[tiab] OR procedur*[tiab]))) OR (("Neurosurgical Procedures"[Mesh] OR "Neurosurgery"[Mesh] OR "Central Nervous System/surgery"[Mesh] OR "Nervous System Diseases/surgery"[Mesh] OR Neurosurg*[tiab]))) | 2986 | ||
| Cochrane CENTRAL | ID | Search | Hits | 132 |
| #1 | MeSH descriptor: [Afghanistan] explode all trees | 39 | ||
| #2 | MeSH descriptor: [Benin] explode all trees | 46 | ||
| #3 | MeSH descriptor: [Burkina Faso] explode all trees | 133 | ||
| #4 | MeSH descriptor: [Burundi] explode all trees | 12 | ||
| #5 | MeSH descriptor: [Central African Republic] explode all trees | 12 | ||
| #6 | MeSH descriptor: [Chad] explode all trees | 3 | ||
| #7 | MeSH descriptor: [Comoros] explode all trees | 1 | ||
| #8 | MeSH descriptor: [Democratic Republic of the Congo] explode all trees | 87 | ||
| #9 | MeSH descriptor: [Eritrea] explode all trees | 1 | ||
| #10 | MeSH descriptor: [Ethiopia] explode all trees | 163 | ||
| #11 | MeSH descriptor: [Gambia] explode all trees | 220 | ||
| #12 | MeSH descriptor: [Guinea-Bissau] explode all trees | 89 | ||
| #13 | MeSH descriptor: [Guinea] explode all trees | 7 | ||
| #14 | MeSH descriptor: [Haiti] explode all trees | 52 | ||
| #15 | MeSH descriptor: [Democratic People's Republic of Korea] explode all trees | 5 | ||
| #16 | MeSH descriptor: [Liberia] explode all trees | 22 | ||
| #17 | MeSH descriptor: [Madagascar] explode all trees | 36 | ||
| #18 | MeSH descriptor: [Malawi] explode all trees | 295 | ||
| #19 | MeSH descriptor: [Mali] explode all trees | 89 | ||
| #20 | MeSH descriptor: [Mozambique] explode all trees | 71 | ||
| #21 | MeSH descriptor: [Nepal] explode all trees | 249 | ||
| #22 | MeSH descriptor: [Niger] explode all trees | 36 | ||
| #23 | MeSH descriptor: [Rwanda] explode all trees | 49 | ||
| #24 | MeSH descriptor: [Senegal] explode all trees | 87 | ||
| #25 | MeSH descriptor: [Sierra Leone] explode all trees | 31 | ||
| #26 | MeSH descriptor: [Somalia] explode all trees | 17 | ||
| #27 | MeSH descriptor: [South Sudan] explode all trees | 0 | ||
| #28 | MeSH descriptor: [Syria] explode all trees | 19 | ||
| #29 | MeSH descriptor: [Tajikistan] explode all trees | 3 | ||
| #30 | MeSH descriptor: [Tanzania] explode all trees | 497 | ||
| #31 | MeSH descriptor: [Togo] explode all trees | 13 | ||
| #32 | MeSH descriptor: [Uganda] explode all trees | 582 | ||
| #33 | MeSH descriptor: [Yemen] explode all trees | 8 | ||
| #34 | MeSH descriptor: [Zimbabwe] explode all trees | 174 | ||
| #35 | MeSH descriptor: [Developing Countries] explode all trees | 799 | ||
| #36 | #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23 OR #24 OR #25 OR #26 OR #27 OR #28 OR #29 OR #30 OR #31 OR #32 OR #33 OR #34 OR #35 | 3646 | ||
| #37 | ("Developing Country" OR "developing countries" OR "Least Developed Countries" OR "Least Developed Country" OR "Less-Developed Country" OR "less-developed countries" OR "Under-Developed Nations" OR "Under-Developed Nation" OR "Underdeveloped Nations" OR "Underdeveloped Nation" OR "Third-World Country" OR "third-world countries" OR "Third-World Nations" OR "Third-World Nation" OR "Under-Developed Country" OR "under-developed countries" OR "Underdeveloped Country" OR "underdeveloped countries" OR "Developing Nations" OR "Developing Nation" OR "Less-Developed Nations" OR "Less-Developed Nation" OR low-and-middle-income-countries OR low-to-middle-income-countries OR LMIC OR "Low-income country" OR "Low-income countries" OR "low-income economy" OR "low-income economies" OR "Low-income nation" OR "Low-income nations" OR "Low-Resource country" OR "Low-Resource countries" OR "Low-Resource nation" OR "Low-Resource nations" OR "Resource-limited setting" OR "Resource-limited settings" OR "Resource-limited country" OR "resource limited countries" OR "Resource-limited nation" OR "Resource-limited nations" OR "poor countries" OR "Poor country" OR Afghanistan OR Benin OR Dahomey OR “Burkina Faso” OR “Upper Volta” OR Burundi OR Urundi OR "Central African Republic" OR Ubangi-Shari OR Chad OR Comoros OR Mayotte OR "Democratic People's Republic of Korea" OR "North Korea" OR "Democratic Republic of Congo" OR "Democratic Republic of the Congo" OR "Congo, Dem. Rep" OR Kinshasa OR "Belgian Congo" OR Zaire OR Katanga OR Eritrea OR Ethiopia OR Gambia OR Guinea-Bissau OR Guinea OR Haiti OR Liberia OR Madagascar OR "Malagasy Republic" OR Malawi OR Nyasaland OR Mali OR Mozambique OR "Portuguese East Africa" OR Nepal OR Niger OR Rwanda OR Ruanda OR Senegal OR "Sierra Leone" OR Somalia OR "South Sudan" OR "Syria" OR "Syrian Arab Republic" OR Tajikistan OR "Tadzhik SSR" OR "Tadzhik S.S.R." OR Tadzhikistan OR "Tadzhik Soviet Socialist Republic" OR Tanzania OR Zanzibar OR Tanganyika OR Togo OR “Togolese Republic” OR Uganda OR Yemen OR Aden OR Zimbabwe OR “Southern Rhodesia”):ti,ab,kw | 12132 | ||
| #38 | #36 OR #37 | 12132 | ||
| #39 | MeSH descriptor: [Neurosurgical Procedures] explode all trees | 5466 | ||
| #40 | MeSH descriptor: [Neurosurgery] explode all trees | 77 | ||
| #41 | MeSH descriptor: [Central Nervous System] explode all trees and with qualifier(s): [surgery - SU] | 371 | ||
| #42 | (Neurosurg*):ti,ab,kw | 2494 | ||
| #43 | #39 OR #40 OR #41 OR #42 | 7530 | ||
| #44 | ((neurological OR cerebro* OR brain OR “central nervous system”)):ti,ab,kw | 69466 | ||
| #45 | ((surgical OR surger* OR operat* OR procedur*)):ti,ab,kw | 306305 | ||
| #46 | #44 AND #45 | 20034 | ||
| #47 | #43 OR #46 | 26039 | ||
| #48 | #38 AND #47 | 132 | ||
| Embase | ('developing country'/exp OR 'low income country'/exp OR 'developing countr*':ab,ti OR 'least developed countries':ab,ti OR 'least developed country':ab,ti OR 'less-developed countr*':ab,ti OR 'under-developed nations':ab,ti OR 'under-developed nation':ab,ti OR 'underdeveloped nations':ab,ti OR 'underdeveloped nation':ab,ti OR 'third-world countr*':ab,ti OR 'third-world nations':ab,ti OR 'third-world nation':ab,ti OR 'under-developed countr*':ab,ti OR 'underdeveloped countr*':ab,ti OR 'developing nations':ab,ti OR 'developing nation':ab,ti OR 'less-developed nations':ab,ti OR 'less-developed nation':ab,ti OR 'low and middle income countries':ab,ti OR 'low-to-middle-income countries':ab,ti OR lmic:ab,ti OR 'afghanistan'/exp OR 'benin'/exp OR 'burkina faso'/exp OR 'burundi'/exp OR 'central african republic'/exp OR 'chad'/exp OR 'comoros'/exp OR 'democratic republic congo'/exp OR 'eritrea'/exp OR 'ethiopia'/exp OR 'gambia'/exp OR 'guinea bissau'/exp OR 'guinea'/exp OR 'haiti'/exp OR 'north korea'/exp OR 'liberia'/exp OR 'madagascar'/exp OR 'malawi'/exp OR 'mali'/exp OR 'mozambique'/exp OR 'nepal'/exp OR 'niger'/exp OR 'rwanda'/exp OR 'senegal'/exp OR 'sierra leone'/exp OR 'somalia'/exp OR 'south sudan'/exp OR 'syrian arab republic'/exp OR 'tajikistan'/exp OR 'tanzania'/exp OR 'togo'/exp OR 'uganda'/exp OR 'yemen'/exp OR 'zimbabwe'/exp OR 'low-income countr*':ab,ti OR 'low-income economy':ab,ti OR 'low-income economies':ab,ti OR 'low-income nation':ab,ti OR 'low-income nations':ab,ti OR 'low-resource countr*':ab,ti OR 'low-resource nation':ab,ti OR 'low-resource nations':ab,ti OR 'resource-limited countr*':ab,ti OR 'resource-limited nation':ab,ti OR 'resource-limited nations':ab,ti OR 'resource-limited setting*':ab,ti OR 'poor countr*':ab,ti OR afghanistan:ab,ti OR benin:ab,ti OR dahomey:ab,ti OR 'burkina faso':ab,ti OR 'upper volta':ab,ti OR burundi:ab,ti OR urundi:ab,ti OR 'central african republic':ab,ti OR 'ubangi shari':ab,ti OR chad:ab,ti OR comoros:ab,ti OR mayotte:ab,ti OR 'democratic people s republic of korea':ab,ti OR 'north korea':ab,ti OR 'democratic republic of congo':ab,ti OR 'democratic republic of the congo':ab,ti OR 'congo, dem. rep':ab,ti OR kinshasa:ab,ti OR 'belgian congo':ab,ti OR zaire:ab,ti OR katanga:ab,ti OR eritrea:ab,ti OR ethiopia:ab,ti OR gambia:ab,ti OR 'guinea bissau':ab,ti OR guinea:ab,ti OR haiti:ab,ti OR liberia:ab,ti OR madagascar:ab,ti OR 'malagasy republic':ab,ti OR malawi:ab,ti OR nyasaland:ab,ti OR mali:ab,ti OR mozambique:ab,ti OR 'portuguese east africa':ab,ti OR nepal:ab,ti OR niger:ab,ti OR rwanda:ab,ti OR ruanda:ab,ti OR senegal:ab,ti OR 'sierra leone':ab,ti OR somalia:ab,ti OR 'south sudan':ab,ti OR 'syria':ab,ti OR 'syrian arab republic':ab,ti OR tajikistan:ab,ti OR 'tadzhik ssr':ab,ti OR 'tadzhik s.s.r.':ab,ti OR tadzhikistan:ab,ti OR 'tadzhik soviet socialist republic':ab,ti OR tanzania:ab,ti OR zanzibar:ab,ti OR tanganyika:ab,ti OR togo:ab,ti OR 'togolese republic':ab,ti OR uganda:ab,ti OR yemen:ab,ti OR aden:ab,ti OR zimbabwe:ab,ti OR 'southern rhodesia':ab,ti) AND ('neurosurgery'/exp OR neurosurg*:ab,ti OR (('neurological':ab,ti OR cerebro*:ab,ti OR brain:ab,ti OR 'central nervous system':ab,ti OR ‘spinal cord’:ab,ti OR meninges:ab,ti) AND (surgical*:ab,ti OR surger*:ab,ti OR operat*:ab,ti OR procedur*:ab,ti))) | 3010 | ||