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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