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. 2023 Jun 2:14:1186880.
doi: 10.3389/fendo.2023.1186880. eCollection 2023.

Association of baseline Life's Essential 8 score and trajectories with carotid intima-media thickness

Qian Liu  1   2 , Haozhe Cui  3 , Shuohua Chen  2 , Dongyan Zhang  4 , Wei Huang  4 , Shouling Wu  2
Affiliations

Association of baseline Life's Essential 8 score and trajectories with carotid intima-media thickness

Qian Liu et al. Front Endocrinol (Lausanne). .

Abstract

Objective: We aimed to examine the association between the baseline Life's Essential 8 (LE8) score and LE8 score trajectories with the continuous carotid intima-media thickness (cIMT) as well as the risk of high cIMT.

Methods: The Kailuan study has been an ongoing prospective cohort study since 2006. A total of 12,980 participants who completed the first physical examination and cIMT detection at follow-up without a history of CVD and missing data on the component of LE8 metrics in or before 2006 were finally included in the analysis. The LE8 score trajectories were developed from 2006 to 2010 using trajectory modeling of the SAS procedure Proc Traj. The measurement and result review of the cIMT were performed by specialized sonographers using standardized methods. According to quintiles of baseline LE8 score, participants were categorized into five groups: Q1, Q2, Q3, Q4, and Q5. Similarly, based on their LE8 score trajectories, they were classified into four groups: very low-stable group, low-stable group, median-stable group, and high-stable group. In addition to continuous cIMT measurement, we determined the high cIMT based on the age (by 5 years) and sex-specific 90th percentile cut point. To address aims 1 and 2, the association between baseline/trajectory groups and continuous cIMT/high cIMT was assessed by using SAS proc genmod to calculate β, relative risk (RR), and 95% confidence intervals (CI).

Results: A total of 12,980 participants were finally included in aim 1, and 8,758 participants met aim 2 of the association between LE8 trajectories and cIMT/high cIMT. Compared with the Q1 group, the continuous cIMT for Q2, Q3, Q4, and Q5 groups were thinner; the other groups had a lower risk of high cIMT. For aim 2, the results indicated that compared with a very low-stable group, the cIMT for the low-stable group, the median-stable group, and the high-stable group were thinner (-0.07 mm [95% CI -0.10~0.04 mm], -0.10 mm [95% CI -0.13~-0.07 mm], -0.12 mm [95% CI -0.16~-0.09 mm]) and had a lower risk of high cIMT. The RR (95% CI) for high cIMT was 0.84 (0.75~0.93) in the low-stable group, 0.63 (0.57~0.70) in the median-stable group, 0.52 (0.45~0.59) in the high-stable group.

Conclusions: In summary, our study revealed that high baseline LE8 scores and LE8 score trajectories were associated with lower continuous cIMT and attenuated risk of high cIMT.

Keywords: Life’s Essential 8; cardiovascular health; carotid intima-media thickness; prospective cohort study; trajectories.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
Flow chart of the current study.
Figure 2
Figure 2
Life’s Essential 8 trajectories.
See this image and copyright information in PMC

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