Review Article

The Association between Periodontitis and Inflammatory Bowel Disease: A Systematic Review and Meta-analysis

Table 2

Characteristics of the included studies.

Author, year of publication, and countryStudy designStudy sizeIBD patientsControlRate, IBD/controlPeriodontal manifestationsDefinition of periodontitisReference

Zervou et al. (2004), GreeceCase-control7730470.06/0Periodontitis; gingivitis; gingival bleedingNot described[24]
Grössner et al. (2006), GermanyCase-control12162590.81/0.64%PI; %BOP; PPD; ; ≥1 sites with [14]
Brito et al. (2008), BrazilCase-control253179740.85/0.67Periodontitis (at least ); %PI; %BOP; PPD; CAL; ≥4 sites in different teeth with [11]
Rikardsson et al. (2009), SwedenCase-control234615987480.7/0.51Periodontitis; gingival bleedingSelf-reported[23]
Habashneh et al. (2012), JordanCase-control2601601000.58/0.4Periodontitis; PI; GI; PPD; CAL; GR; %BOP; ; ; ; ; ≥4 teeth with one site or more having and [12]
Zhang et al. (2020), ChinaCase-control6543892650.38/0.19PD; CAL; GR; GI; PI; ; ; ; ; ; ; %BOP; %CI≥2 interproximal sites with , and ≥2 interproximal sites with (not on the same tooth), or ≥1 site with [25]

PI: plaque index; BOP: bleeding on probing; PPD: probing pocket depth; CAL: clinical attachment loss; GI: gingival index; GR: gingival recession; CI: calculus index.