Background:The oxidative balance score(OBS)is a comprehensive scoring mechanism for evaluating oxidative stress.Previous studies have not yet clarified the correlations between OBS and mortality risk due to the divers...Background:The oxidative balance score(OBS)is a comprehensive scoring mechanism for evaluating oxidative stress.Previous studies have not yet clarified the correlations between OBS and mortality risk due to the diversity of antioxidant and pro-oxidant constituents.This research investigates the relationship between OBS,which is composed of 20 prespecified oxidative stressrelated factors,and the overall and specific-cause mortality.Methods:This study analyzed 24,299 adults aged older than or equal to 18 years from the National Health and Nutrition Examination Survey(NHANES)1999–2018,followed for survival until December 31,2019.Cox proportional hazards regression was used to evaluate the links between the OBS and mortality from all causes,cardiovascular disease(CVD),and cancer,adjusted for several relevant demographic and comorbidity factors.Results:During a median follow-up of 9.6 years,there were 3,003 deaths,including 740 from CVD,746 from cancer.The Kaplan-Meier curves showed a reduced risk of mortality for the subjects with a higher OBS relative to their counterparts in the lowest quartile.The highest OBS quartile was inversely associated with a decreased risk of mortality(all-cause HR:0.68,95%CI:0.60–0.77;CVD HR:0.58,95%CI:0.45–0.74;cancer HR:0.61,95%CI:0.48–0.78)after covariate correction.In addition,a significant link between dietary patterns,lifestyle components,and a significant association with mortality was observed,demonstrating consistency across subgroup analyses.Conclusions:An inverse correlation exists between OBS and mortality from all-cause,CVD,and cancer.These results suggest that diet and lifestyle modifications can substantially impact health outcomes by modulating oxidative balance.展开更多
基金supported by the Young Talent Development Plan of ChangZhou Health Commission(No.CZQM2021023)Youth Foundation of ChangZhou Health Commission(No.QN202379)+1 种基金Foundation of Jiangsu University(No.JDYY2023156)Changzhou Municipal 14th Five-Year Plan for High-level Health Care Talent Training Program(No.CJ20242001).
文摘Background:The oxidative balance score(OBS)is a comprehensive scoring mechanism for evaluating oxidative stress.Previous studies have not yet clarified the correlations between OBS and mortality risk due to the diversity of antioxidant and pro-oxidant constituents.This research investigates the relationship between OBS,which is composed of 20 prespecified oxidative stressrelated factors,and the overall and specific-cause mortality.Methods:This study analyzed 24,299 adults aged older than or equal to 18 years from the National Health and Nutrition Examination Survey(NHANES)1999–2018,followed for survival until December 31,2019.Cox proportional hazards regression was used to evaluate the links between the OBS and mortality from all causes,cardiovascular disease(CVD),and cancer,adjusted for several relevant demographic and comorbidity factors.Results:During a median follow-up of 9.6 years,there were 3,003 deaths,including 740 from CVD,746 from cancer.The Kaplan-Meier curves showed a reduced risk of mortality for the subjects with a higher OBS relative to their counterparts in the lowest quartile.The highest OBS quartile was inversely associated with a decreased risk of mortality(all-cause HR:0.68,95%CI:0.60–0.77;CVD HR:0.58,95%CI:0.45–0.74;cancer HR:0.61,95%CI:0.48–0.78)after covariate correction.In addition,a significant link between dietary patterns,lifestyle components,and a significant association with mortality was observed,demonstrating consistency across subgroup analyses.Conclusions:An inverse correlation exists between OBS and mortality from all-cause,CVD,and cancer.These results suggest that diet and lifestyle modifications can substantially impact health outcomes by modulating oxidative balance.