The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional study

Abstract Background The ZJU index, a novel calculation that combines body mass index, triglycerides, fasting blood glucose and the ratio of alanine aminotransferase to aspartate aminotransferase, is a closely related measure of obesity and insulin resistance. Studies of the ZJU index in relation to...

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Main Authors: Liping Wang, Guqiao Nie, Fengqin Yan, Nianli Zhou, Meng Zhang, Wen Peng
Format: Article
Language:English
Published: BMC 2023-11-01
Series:Lipids in Health and Disease
Subjects:
Online Access:https://doi.org/10.1186/s12944-023-01974-1
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author Liping Wang
Guqiao Nie
Fengqin Yan
Nianli Zhou
Meng Zhang
Wen Peng
author_facet Liping Wang
Guqiao Nie
Fengqin Yan
Nianli Zhou
Meng Zhang
Wen Peng
author_sort Liping Wang
collection DOAJ
description Abstract Background The ZJU index, a novel calculation that combines body mass index, triglycerides, fasting blood glucose and the ratio of alanine aminotransferase to aspartate aminotransferase, is a closely related measure of obesity and insulin resistance. Studies of the ZJU index in relation to obstructive sleep apnea syndrome (OSAS) have not been reported. This study assessed the correlation between the ZJU values and OSAS risk. Methods A total of 2,130 participants who underwent polysomnographic monitoring were included in the study. The participants’ basic information and laboratory biochemical indicators were collected, and the ZJU index was computed. The ZJU index was divided into quartiles. The correlation between the different ZJU index levels and OSAS risk was assessed using logistic regression. Drew a receiver operating characteristic (ROC) relationship curve, with prediction efficacy judged by the area under the curve (AUC), and found the optimum cut-off point for ZJU index to predict OSAS. Relative risks were presented as odds ratios (OR). The range of OR values is expressed in the form of 95% confidence intervals (95% CI). Results The number of patients diagnosed with OSAS increased progressively with increasing ZJU index (T1: 9.4%; T2: 20.6%; T3: 28.3%; T4: 41.7%; P < 0.001). The additional confounders were adjusted by the logistic regression models, the study revealed an independent correlation between ZJU index and OSAS. (P < 0.001). The OSAS risk was notably higher at the highest ZJU index levels. (OR = 2.046 [95% CI: 1.057 to 3.964]). The ROC curve for the ZJU index showed an AUC of 0.64 (P < 0.001) for males and 0.75 (P < 0.001) for females, with a specificity of 64% and 55% and a sensitivity of 60% and 92% for males and females, respectively, with the optimum cut-off values of 36.568 and 34.722, respectively. Conclusion A high ZJU index was significantly associated with an increasing risk of OSAS. The ZJU is expected to be a meaningful index for detecting OSAS in the general population.
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spelling doaj.art-e59ba1fe6b444fc5b8e63a5c90fdbac02023-12-03T12:34:33ZengBMCLipids in Health and Disease1476-511X2023-11-012211810.1186/s12944-023-01974-1The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional studyLiping Wang0Guqiao Nie1Fengqin Yan2Nianli Zhou3Meng Zhang4Wen Peng5General Practice Department, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyGeneral Practice Department, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyGeneral Practice Department, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyGeneral Practice Department, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyGeneral Practice Department, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyGeneral Practice Department, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyAbstract Background The ZJU index, a novel calculation that combines body mass index, triglycerides, fasting blood glucose and the ratio of alanine aminotransferase to aspartate aminotransferase, is a closely related measure of obesity and insulin resistance. Studies of the ZJU index in relation to obstructive sleep apnea syndrome (OSAS) have not been reported. This study assessed the correlation between the ZJU values and OSAS risk. Methods A total of 2,130 participants who underwent polysomnographic monitoring were included in the study. The participants’ basic information and laboratory biochemical indicators were collected, and the ZJU index was computed. The ZJU index was divided into quartiles. The correlation between the different ZJU index levels and OSAS risk was assessed using logistic regression. Drew a receiver operating characteristic (ROC) relationship curve, with prediction efficacy judged by the area under the curve (AUC), and found the optimum cut-off point for ZJU index to predict OSAS. Relative risks were presented as odds ratios (OR). The range of OR values is expressed in the form of 95% confidence intervals (95% CI). Results The number of patients diagnosed with OSAS increased progressively with increasing ZJU index (T1: 9.4%; T2: 20.6%; T3: 28.3%; T4: 41.7%; P < 0.001). The additional confounders were adjusted by the logistic regression models, the study revealed an independent correlation between ZJU index and OSAS. (P < 0.001). The OSAS risk was notably higher at the highest ZJU index levels. (OR = 2.046 [95% CI: 1.057 to 3.964]). The ROC curve for the ZJU index showed an AUC of 0.64 (P < 0.001) for males and 0.75 (P < 0.001) for females, with a specificity of 64% and 55% and a sensitivity of 60% and 92% for males and females, respectively, with the optimum cut-off values of 36.568 and 34.722, respectively. Conclusion A high ZJU index was significantly associated with an increasing risk of OSAS. The ZJU is expected to be a meaningful index for detecting OSAS in the general population.https://doi.org/10.1186/s12944-023-01974-1ZJU indexObstructive sleep apnea syndromeMetabolism
spellingShingle Liping Wang
Guqiao Nie
Fengqin Yan
Nianli Zhou
Meng Zhang
Wen Peng
The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional study
Lipids in Health and Disease
ZJU index
Obstructive sleep apnea syndrome
Metabolism
title The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional study
title_full The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional study
title_fullStr The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional study
title_full_unstemmed The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional study
title_short The ZJU index is associated with the risk of obstructive sleep apnea syndrome in Chinese middle-aged and older people: a cross-sectional study
title_sort zju index is associated with the risk of obstructive sleep apnea syndrome in chinese middle aged and older people a cross sectional study
topic ZJU index
Obstructive sleep apnea syndrome
Metabolism
url https://doi.org/10.1186/s12944-023-01974-1
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