Table A1 Electronic search strategy

From: Dietary patterns and oesophageal squamous cell carcinoma: a systematic review and meta-analysis

 

PubMed/Embase search

CNKI/VJIP search

Where treated

 

(English database)

(Chinese database)

 

1

Oesophageal cancer

Title/abstract

2

Oesophageal squamous cell carcinoma

Title/abstract

3

Oesophageal neoplasm

Title/abstract

4

Dietary pattern

Title/abstract

5

Nutrients pattern

Title/abstract

6

Food pattern

Title/abstract

7

Eating pattern

Title/abstract

8

Dietary habits

Title/abstract

9

Diet

Title/abstract

10

Dietary

Title/abstract

11

Nutrients

Title/abstract

12

1 OR 2 OR 3

13

4 OR 5 OR 6 OR 7 OR 8 OR 9 OR 10 OR11

14

12 and 13

15

Limited to English or Chinese language

16

Limited to humans study

17

Limited to factor analysis/principle component factor analysis/cluster analysis

18

Limited 14 to (15 and 16 and 17)

  1. Databases searched, PubMed (http://www.ncbi.nlm.nih.gov/pubmed/), Embase (http://www.embase.com), CNKI (http://www.cnki.net/), VJIP (http://en.cqvip.com/), Citation tracking, ISI Web of Science (http://apps.isiknowledge.com), Scopus (http://www.scopus.com).