Table 1.

Effects of the HIIT program on anthropometric measurements, body composition and aerobic capacity in obese adolescents

Variable	T0	T1	P	TE	ICC	Hedges’s
Weight (kg)	92.69 ± 18.90	85.97 ± 16.27	< 0.001	0.03	0.97	–1.52 (–1.81 to–1.23)
BMI (kg/m2)	35 ± 4.89	32.11 ± 4.50	< 0.001	0.03	0.95	–1.92 (–2.22 to –1.63)
BMI percentile	98.58 ± 0.95	97.61 ± 2.39	< 0.001	0.01	0.45	–0.54 (–0.83 to –0.25)
Z score	2.34 ± 0.31	2.11 ± 0.36	< 0.001	0.06	0.87	–1.16 (–1.41 to –0.90)
FM (%)	36.05 ± 9.15	30.40 ± 7.86	< 0.001	0.05	0.96	–1.35 (–1.64 to –1.06)
FFM (kg)	54.99 ± 11.47	53.97 ± 10.43	0.083	0.04	0.96	–0.26 (–0.55 to 0.03)
VO2peak (mL/kg/min)	26.35 ± 5.81	28.79 ± 6.59	0.062	0.24	0.95	0.29 (–0.01 to 0.60)

Values are presented as mean± standard deviation.

HIIT, high-intensity interval training; T0, baseline; T1, post-intervention; TE, typical error; ICC, intra-class coefficient; BMI, body mass index; FM, fat mass; FFM, fat-free mass; VO_2peak, maximal oxygen consumption.