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Observational Study
Copyright: ©Author(s) 2026.
World J Methodol. Sep 20, 2026; 16(3): 121596
Published online Sep 20, 2026. doi: 10.5662/wjm.v16.i3.121596
Table 6 Multiple logistic regression analysis to determine that factors are associated with periodontitis in the subjects matched for age and sex

Odds ratio
95%CI
P value
Salivary GPx-1 levels < 1214 pg/mL4.551.413-14.6230.01
Never smoker (yes vs non)1.090.340-3.4780.89
Body mass index (kg/m2)1.050.917-1.1900.51


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