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Table 1 Direct relationships of oral microbiota with gastric cancer

From: Oral microbiota and Helicobacter pylori in gastric carcinogenesis: what do we know and where next?

Oral microbiota

(genera/ species)

Country

ASRa-Both sexes (GLOBOCAN

2012)

Study (Reference)

Fusobacterium, Veillonella, Leptotrichia, Haemophilus, Campylobacter, and Lactococcus

Singapore and Malaysia

8.2 and 7.8

Castaño-Rodríguez et al., 2017 [15]

Lactobacillus

South Korea

41.8

Eun et al., 2014 [17]

Lactobacillus coleohominis and Lachnospiraceae

Mexico City

6.9

Aviles-Jimenez et al., 2014 [14]

Lactobacillus

China

22.7

Wang et al., 2016 [16]

Clostridium and Fusobacterium

Taiwan

 

Hsieh et al., 2018 [27]

genera Neisseria, Alloprevotella, and Aggregatibacter, species Streptococcus_mitis_oralis_pneumoniae

China

22.7

Hu et al., 2018 [13]

Prevotella and Aggregatibacter

China

22.7

Sun et al., 2018 [28]

Streptococcus anginosus_OTU68, Peptostreptococcus_OTU16 (P. stomatis), Gemella_OTU17, Fusobacterium_ OTU33, and Slackia_OTU174 (S. exigua)

China

22.7

Coker et al., 2018 [19]

Streptococcus and Abiotrophia

China

22.7

Wu et al., 2018 [11]

Streptococcus (Streptococcus mitis) and Neisseria (Neisseria flavescens and Neisseria perflava)

China

22.7

Liu et al., 2018 [29]

Lactobacillus sp., Clostridium sp., and Phyllobacterium sp.

Portugal

13. 1

Ferreira et al., 2018 [30]

  1. aAge-standardized (World) incidence rates