Obesity

Obesity and metabolic syndrome in adults with a 22q11.2 microdeletion

Int J Obes (Lond)Published Cross-sectional study

Authors' conclusion

Generalized and abdominal obesity, as well as MetS, appear to be common in adults with 22q11.2 deletion syndrome, emphasizing the importance of careful monitoring from a young age. These findings contribute to the limited knowledge about the association between pathogenic CNVs, obesity, and MetS.

Study context

Population
Adults with a typical 22q11.2 deletion; 45.2% male, median age 30.0 (range 17–71) years
Participants
103 adults
Exposure
Adults with 22q11.2 deletion vs population-based cohort
  • 22q11.2 deletionn = 103
Outcome
Prevalence of generalized obesity (BMI ≥ 30 kg/m²), abdominal obesity (WC ≥102 cm males, ≥88 cm females) and MetS (Joint Interim Statement criteria)
Methodological detailscomparison with population-based data
  • Comparison with population-based data

Main finding

As reported in the abstract

Prevalence of generalized obesity, abdominal obesity and MetS

Prevalence of generalized obesity, abdominal obesity and MetS

Abdominal obesity

P = 0.002

MetS

P < 0.0001

  • 22q11.2 deletion vs Population-based: P < 0.0001 — generalized obesity

Observational data: associations, not effects.

Further findings

Correlations of age with body mass index (BMI) and waist circumference (WC) in antipsychotic-naïve subjects

Age and BMI, r
0.54 (P < 0.001)
Age and WC, r
0.60 (P < 0.001)
Correlations not present in individuals taking antipsychotics

General linear models predicting BMI and WC

BMI model
F(5, 97) = 3.083, R2 = 0.137, P = 0.01
WC model
F(5, 92) = 5.985, R2 = 0.245, P < 0.001
Only age individually predictive of outcomes
P < 0.05 and P < 0.001

Model predicting metabolic syndrome (MetS)

Model significant
P < 0.001
Higher age, only factor associated with MetS, OR
1.07 (95% CI 1.03-1.12, P < 0.001)

Original publication

Obesity and metabolic syndrome in adults with a 22q11.2 microdeletion. Int J Obes (Lond). Published 30 November 2024. doi:10.1038/s41366-024-01685-2

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