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. 2022 Aug 2;78(1):42–50. doi: 10.1093/gerona/glac154

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© The Author(s) 2022. Published by Oxford University Press on behalf of The Gerontological Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Relationship between BB-DNA quartiles and oxidant and antioxidant parameters in RASIG population. The fourth quartile (Q4) of BB-DNA levels showed the lowest plasma levels of zeaxanthin and lutein when compared with the other quartiles. Nitric oxide was diminished in the first quartile compared with Q3 and Q4 quartiles. The first quartile (Q1) of BB-DNA showed lower levels of malondialdehyde with respect to the fourth quartile. ANCOVA correcting for age, countries, sex, smoke habit, and CCI was applied. ^§p < .05 as compared with Q3 and Q4. ***p < .05 when compared with Q3 and Q4. **p < .01 when compared with Q4. *p < .05 when compared with Q4. BB-DNA = blood bacterial DNA; CCI = Charlson Comorbity Index; RASIG = Randomly recruited Age-Stratified Individuals from the General population.