Primary study · included by 2 reviews

Polymorphisms in genes coding for enzymes metabolizing smoking-derived substances and the risk of periodontitis.

Kim 2004 · Kim Jeong-Sook, Park Jong Y, Chung Won-Yoon, et al. · Journal of clinical periodontology · 2004

Included by

Association of GSTM1, GSTT1, and GSTP1 Gene Polymorphisms With Susceptibility to Periodontitis: A Systematic Review and Meta-Analysis With Exploratory Analysis of Apical Periodontitis.

Non-Cochrane · aetiology · 2026 · cited as Kim 2004 · Table 1

The review does not say which of its outcomes this study informs.

Association of oxidative stress-related gst gene polymorphisms with periodontitis susceptibility: A systematic review and meta-analysis.

Non-Cochrane · aetiology · 2026 · cited as Kim 2004 · Table 1; References 14-20; forest plots

Outcome this study informs	Pooled effect	Evidence	Certainty
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 1.42 [1.03, 1.95]	3 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 1.807 [1.206, 2.708]	5 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 2.94 [1.13, 7.63]	6 studies · 1444 participants	Moderate
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 2.54 [1.93, 3.35]	3 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 2.29 [1.47, 3.56]	3 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 3.047 [1.004, 9.245]	5 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 2.434 [1.902, 3.115]	5 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 4.71 [3.34, 6.65]	3 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 2.559 [1.97, 3.324]	5 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 3.225 [1.046, 9.945]	5 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 5.2 [1.07, 25.14]	3 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 3.658 [1.303, 10.268]	5 studies	GRADE not reported
Odds of periodontitis (case-control genotype association) GSTM1-null genotype vs GSTM1-present genotype	OR 1.51 [0.89, 2.57]	3 studies	GRADE not reported

2 including reviews in total.