Salivary glutathione peroxidase-1 levels in periodontitis

doi:10.5662/wjm.v16.i3.121596

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World Journal of Methodology

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2222-0682

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World J Methodol. Sep 20, 2026; 16(3): 121596
Published online Sep 20, 2026. doi: 10.5662/wjm.v16.i3.121596

Table 5 Comparisons between subjects without and with periodontitis, n (%) in the subjects matched for age and sex

	Subjects without periodontitis (n = 30)	Subjects with periodontitis (n = 30)	P value
Gender female	20 (66.7)	20 (66.7)	0.99
Age (years) - median (P25-P75)	52 (44-61)	51 (46-58)	0.83
Arterial hypertension	4 (13.3)	5 (16.7)	0.99
Cardiovascular disease	0	1 (3.3)	0.99
Hypercholesterolemia	2 (6.7)	0	0.49
Diabetes mellitus	0	0	0.99
Rheumatoid arthritis	0	1 (3.3)	0.99
Metrotexate for rheumatoid arthritis	0	0	0.99
Immunosupressive therapy	0	0	0.99
Radiotherapy	0	0	0.99
Body mass index (kg/m²) - median (P25-P75)	24.6 (23.3-27.1)	24.9 (23.0-27.9)	0.91
Obesity	4 (13.3)	5 (16.7)	0.99
Never smoker	20 (66.7)	18 (60.0)	0.79
Coffee	28 (93.3)	25 (83.3)	0.42
Tea	4 (13.3)	3 (10.0)	0.99
Alcohols	12 (40.0)	14 (46.7)	0.80
Salivary GPx-1 levels (pg/mL) - median (P25-P75)	1471 (856-2009)	1092 (297-1399)	0.002
Salivary GPx-1 levels < 1214 pg/mL	9 (30.0)	19 (63.3)	0.02

GPx-1: Glutathione peroxidase-1.

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Citation: Lorente L, Hernández Marrero E, Abreu-Gonzalez P, Lorente Martín AD, Lorente Martín M, Marrero González MJ, Hernández Marrero C, Hernández Marrero O, Jiménez A, Hernández Padilla CM. Salivary glutathione peroxidase-1 levels in periodontitis. World J Methodol 2026; 16(3): 121596
URL: https://www.wjgnet.com/2222-0682/full/v16/i3/121596.htm
DOI: https://dx.doi.org/10.5662/wjm.v16.i3.121596

Lorente L, Hernández Marrero E, Abreu-Gonzalez P, Lorente Martín AD, Lorente Martín M, Marrero González MJ, Hernández Marrero C, Hernández Marrero O, Jiménez A, Hernández Padilla CM. Salivary glutathione peroxidase-1 levels in periodontitis. World J Methodol 2026; 16(3): 121596 [PMID: 42625959 DOI: 10.5662/wjm.v16.i3.121596]

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