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. 2021 Apr 7;27(13):1341–1353. doi: 10.3748/wjg.v27.i13.1341

Table 1.

Top 10 most productive countries on the microbiome in irritable bowel syndrome research, ranked by the total number of publications in the last two decades (2000-2019)

SCR
Country
Number of documents
%
1st United States 449 24.0
2nd United Kingdom 176 9.4
3rd China 154 8.2
4th Italy 151 8.1
5th France 116 6.2
6th Germany 107 5.7
7th Canada 103 5.5
8th Ireland 102 5.4
9th Australia 72 3.8
10th Spain 69 3.7

SCR: Standard competition ranking.