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January 10, 2026BMC Endocrine Disorders0 citationsOpen Access

Mean arterial pressure is not associated with type 2 diabetes mellitus in Japan: a secondary retrospective analysis

HZHuabo ZhengTGTangmeng GuoYXYichen Xu

Key Result

Mean arterial pressure was not associated with an increased risk of developing type 2 diabetes mellitus in Japan, with HR 1.10 (0.75, 1.61), p = 0.6363.

Key Points

  • This research aims to examine the relationship between mean arterial pressure (MAP) and the incidence of type 2 diabetes mellitus (T2DM).
  • Conducted a longitudinal cohort study with 15,464 participants (8,430 males and 7,034 females) over 13 years.
  • Categorized participants into MAP quartiles for analysis.
  • Used Cox regression analysis to evaluate the association between MAP and T2DM, adjusting for potential confounders.
  • After multivariate adjustment, MAP was not identified as a risk factor for T2DM.
  • The hazard ratio for the highest quartile of MAP compared to the lowest was 1.10 (95% CI: 0.75, 1.61), p = 0.6363.
  • Subgroup analysis revealed no interaction between MAP and the development of T2DM.

Structured PICO

Does elevated mean arterial pressure (MAP) increase the risk of incident type 2 diabetes mellitus in a Japanese population?

P
Population
15,464 Japanese adults (8,430 males, 7,034 females) without type 2 diabetes at baseline. Exclusions: missing covariate data, alcoholic fatty liver disease, viral hepatitis B or C, baseline medication use, and fasting plasma glucose ≥ 6.1 mmol/L.
I
Intervention
Mean arterial pressure (MAP) categorized into quartiles (highest quartile ≥ 100 mmHg)
C
Comparator
Lowest quartile of MAP (< 80 mmHg)
O
Outcome
Incidence of type 2 diabetes mellitus (T2DM)hard clinical

Elevated mean arterial pressure is not an independent risk factor for the development of type 2 diabetes in the Japanese population after adjusting for metabolic and lifestyle confounders.

Limitations

  • Data from Japan may not be applicable to other countries
  • Diagnosis of T2DM lacked oral glucose tolerance tests
  • Inability to fully adjust for unmeasured confounding factors such as diet, family history of diabetes, history of gestational diabetes, and socioeconomic status

Abstract

The association between mean arterial pressure (MAP) and diabetes has been explored in some studies; however, the results have been controversial. This longitudinal cohort study included 8,430 males and 7,034 females. The follow-up period lasted for 13 years, from 1994 to 2016. We categorized the participants according to the MAP quartiles. We investigated the association between MAP and type 2 diabetes mellitus (T2DM) and expressed it as hazard ratios (HRs) with 95% confidence intervals (CIs) after adjusting for potential confounders. After multivariate adjustment, we found that MAP was not a risk factor for incident T2DM using Cox regression analysis. The HR at the highest quartile of MAP was 1.10 (0.75, 1.61), p = 0.6363, compared to the lowest quartile of MAP. In the subgroup analysis, there was no interaction between MAP and the development of T2DM. MAP was not associated with the incidence of T2DM in Japan. Not applicable.

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Cite This Study

Zheng et al. (2026) studied this question. Mean arterial pressure was not associated with an increased risk of developing type 2 diabetes mellitus in Japan, with HR 1.10 (0.75, 1.61), p = 0.6363.

synapsesocial.com/papers/696321b791e05aa366cb7f0ehttps://doi.org/10.1186/s12902-025-02154-1
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