What is the clinical evidence from this study?

Study design: Cross-Sectional. Population: Obesity (Metabolically Healthy vs Unhealthy) (n=450). Intervention: Metabolically Unhealthy Obesity (MUO) vs. Metabolically Healthy Obesity (MHO). Primary outcome: Elevated HOMA-IR (≥ 3.8) (OR 5.76, 95% CI 3.4-9.6, p=<0.001).

What question did this study set out to answer?

To examine differences in systemic inflammation, metabolic parameters, and adipose tissue dysfunction across obesity phenotypes in Saudi adults.

July 2, 2025Diabetology & Metabolic SyndromeOpen Access

Exploring inflammation and adipose tissue dysfunction in metabolically healthy versus unhealthy obesity among Arab adults

Q: What are the key findings of this study?

Metabolically unhealthy obesity was associated with significantly increased odds of elevated insulin resistance (OR 5.76) and C-reactive protein (OR 2.64) compared to metabolically healthy obesity.

Q: What does this research mean for the field?

Metabolically unhealthy obesity is associated with significantly increased odds of elevated insulin resistance (OR 5.76) and C-reactive protein (OR 2.64) compared to metabolically healthy obesity. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.NEUTRAL.

Q: What question did this study set out to answer?

To examine differences in systemic inflammation, metabolic parameters, and adipose tissue dysfunction across obesity phenotypes in Saudi adults.

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Key result

Metabolically unhealthy obesity linked to ~476% higher odds of elevated insulin resistance versus healthy obesity.

OR 5.76
95% CI 3.4-9.6
P<0.001
n=450

Why the study?

Findings regarding metabolic differences between metabolically healthy and unhealthy obesity remain inconsistent, and data are lacking in understudied populations with high obesity prevalence.

Population

450 Saudi adults

Comparison

MHO vs MUO vs MHNW phenotypes

Design

Cross-sectional study

Authors

KWKaiser WaniKing Saud University OEO. EmamKing Saud University BKBalvir KumarChandigarh University

Discussion

Member takes

Implication

Distinguishes cardiometabolic profiles within obesity; cross-sectional data leave prospective outcome implications open.

Key Points

To examine differences in systemic inflammation, metabolic parameters, and adipose tissue dysfunction across obesity phenotypes in Saudi adults.
Conducted a cross-sectional study of 450 Saudi adults categorized as metabolically healthy obesity (MHO), metabolically unhealthy obesity (MUO), or metabolically healthy normal weight (MHNW).
Defined obesity as BMI ≥ 30 kg/m² and metabolic unhealthiness as presence of ≥ 3 metabolic abnormalities using National Cholesterol Education Program (NCEP) criteria.
Evaluated anthropometric, metabolic, and inflammatory parameters using age- and sex-adjusted logistic regression analyses.
MUO individuals exhibited significantly increased odds of elevated HOMA-IR (OR = 5.76, p < 0.001) and elevated CRP (OR = 2.64, p = 0.005) compared to MHO individuals.
MHO participants showed significantly higher odds of a low adiponectin-to-leptin ratio compared to MHNW participants (OR = 2.87, p < 0.005), despite having non-significant differences in insulin resistance.
Adiponectin levels were comparable across groups, but the adiponectin-to-leptin ratio was lowest in the MUO group, reflecting progressive adipose tissue dysfunction.

Study Design

Type

Cross-Sectional (n=450)

Multicenter

Yes

Structured PICO

Population

450 Saudi adults (mean age 38.32, 51.8% female) classified as Metabolically Healthy Obesity (MHO), Metabolically Unhealthy Obesity (MUO), or metabolically healthy normal weight (MHNW) based on BMI (≥ 30 kg/m²) and the presence of ≥ 3 metabolic abnormalities per National Cholesterol Education Program (NCEP) criteria.

Outcome

Differences in anthropometric, metabolic, and inflammatory parameters (including HOMA-IR, CRP, and adiponectin/leptin ratio) across obesity phenotypessurrogate

Main Result

Effect estimate: OR 5.76 (95% CI 3.4-9.6)

Absolute Event Rate: 58.7% vs 19.3%

p-value: p=<0.001

While metabolically healthy obesity is associated with a more favorable inflammatory and insulin resistance profile than metabolically unhealthy obesity, it still exhibits significant adipose tissue dysfunction and low-grade inflammation compared to normal weight individuals.

Limitations

Cross-sectional design prevents establishing causality between adipocytokine levels, inflammatory markers, and metabolic health.
Sample size may not fully capture variability across subgroups such as gender, age, or hormonal status.
Study population drawn from a specific geographic and ethnic group limits broader applicability.
Unmeasured variables such as dietary habits, physical activity, and sleep patterns may have affected the results.

Cite This Study

Wani et al. (2025) conducted a cross-sectional in Obesity (Metabolically Healthy vs Unhealthy) (n=450). Metabolically Unhealthy Obesity (MUO) vs. Metabolically Healthy Obesity (MHO) was evaluated on Elevated HOMA-IR (≥ 3.8) (OR 5.76, 95% CI 3.4-9.6, p=<0.001). Metabolically unhealthy obesity was associated with significantly increased odds of elevated insulin resistance (OR 5.76) and C-reactive protein (OR 2.64) compared to metabolically healthy obesity.

synapsesocial.com/papers/6a17d820aeefdf6d9c130cb7 https://doi.org/10.1186/s13098-025-01836-z

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Exploring inflammation and adipose tissue dysfunction in metabolically healthy versus unhealthy obesity among Arab adults

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Main Result

Limitations

Cite This Study

Exploring inflammation and adipose tissue dysfunction in metabolically healthy versus unhealthy obesity among Arab adults

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Main Result

Limitations

Cite This Study

Also Consider

Also Consider