Key result
Higher BMI and waist circumference are independently linked to lower cardiorespiratory fitness in obesity.
Why the study?
While WHtR is proposed as an accurate index for cardiometabolic risk in obesity, functional limitation is less clearly defined.
How do anthropometric parameters (BMI, waist circumference, waist-to-height ratio) correlate with cardiorespiratory fitness assessed by CPET in adults with obesity?
Population
593 adults living with obesity with or without bariatric surgery therapy
Comparison
Relationship among different anthropometric parameters and CPET parameters
Design
Observational study
Authors
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May warrant BMI-adjusted fitness norms in obesity; leaves open causal effects and need for prospective trials.
Observational (n=593)
How do anthropometric parameters (BMI, waist circumference, waist-to-height ratio) correlate with cardiorespiratory fitness assessed by CPET in adults with obesity?
Effect estimate: Rho = -0.45 for BMI and WHtR
p-value: p=<0.05
Anthropometric parameters including BMI, waist circumference, and waist-to-height ratio are independently associated with cardiorespiratory fitness in patients with obesity, with BMI showing a slightly superior correlation.
Battista et al. (2026) conducted an observational in Obesity (n=593). Anthropometric parameters (BMI, waist circumference, waist-to-height ratio) was evaluated on Cardiorespiratory fitness (VO2peak/kg) (Rho = -0.45 for BMI and WHtR, p=<0.05). BMI (β = -0.497), waist circumference (β = -0.480), and waist-to-height ratio (β = -0.438) were independently and inversely associated with cardiorespiratory fitness in obesity.
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