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Table 1 Initial search strategy

From: Detection of Fusobacterium nucleatum in feces and colorectal mucosa as a risk factor for colorectal cancer: a systematic review and meta-analysis

Database and search dates

Search #1

Search #2

Search #3

Search #4

Search #5

All Ovid MEDLINE (R). January 1, 1946, to December 31, 2018

exp Colonic Polyps/ or exp Colorectal Neoplasms/

((colon$ or colorect$ or rect$ or sigmoid) adj5 (polyp$ or adeno$ or cancer$ or carcinoma$ or malignan$ or metastas$ or neoplas$ or oncolog$ or tumo$)).tw.

#1 OR #2

Fusobacterium nucleatum/ or exp Fusobacterium Infections/ or nucleatum.tw.

#3 AND #4

Embase. January 1, 1974, to December 31, 2018

exp Colon Polyp/ or exp Colorectal Tumor/

((colon$ or colorect$ or rect$ or sigmoid) adj5 (polyp$ or adeno$ or cancer$ or carcinoma$ or malignan$ or metastas$ or neoplas$ or oncolog$ or tumo$)).tw.

#1 OR #2

Fusobacterium nucleatum/ or exp Fusobacterium Infection/ or nucleatum.tw.

#3 AND #4

CINAHL Plus with Full Text. January 1, 1981, to December 31, 2018

TX ((colon* or colorect* or rect* or sigmoid) N5 (polyp* or adeno* or cancer* or carcinoma* or malignan* or metastas* or neoplas*or oncolog* or tumo*))

(MH “Colonic Polyps”) OR (MH “Colorectal Neoplasms+”)

#1 OR #2

(MH “Fusobacterium Infections+”) OR TX nucleatum

#3 AND #4

Web of Science Core Collection. January 1, 1945, to December 31, 2018

TOPIC: (((colon* or colorect* or rect* or sigmoid) NEAR/5 (polyp* or adeno* or cancer* or carcinoma* or malignan* or metastas* or neoplas* or oncolog* or tumo*)))

TOPIC: (nucleatum)

#1 AND #2

  

EBM Reviews—Cochrane Database of Systematic Reviews. January 1, 2005, to December 31, 2018

((colon$ or colorect$ or rect$ or sigmoid) adj5 (polyp$ or adeno$ or cancer$ or carcinoma$ or malignan$ or metastas$ or neoplas$ or oncolog$ or tumo$)).tw.

nucleatum.tw.

#1 AND #2