Population
Mexican schoolchildren
Comparison
Girls vs boys
Design
Quantitative, descriptive study
Key result
Male schoolchildren had significantly higher muscle mass than females (15.79 ± 3.50 kg vs 13.13 ± 3.57 kg; p=0.01), with no significant differences in autonomic profile.
Authors
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Offers gender-specific muscle mass norms for Mexican schoolchildren; hypothesis-generating for autonomic profiles and needs prospective validation.
Cross-Sectional
Absolute Event Rate: 15.79% vs 13.13%
p-value: p=.01
The study provides normative values for body composition and autonomic profile in Mexican schoolchildren, highlighting gender differences in muscle mass but not in short-duration heart rate variability.
Hernández-Pérez et al. (2023) reported a cross-sectional. Male gender vs. Female gender was evaluated on Muscle mass (kg) (p=.01). Male schoolchildren had significantly higher muscle mass than females (15.79 ± 3.50 kg vs 13.13 ± 3.57 kg; p=0.01), with no significant differences in autonomic profile.