Effects of Aerobic Exercise on the Serum Leptin Level and Heart Rate Variability in the Obese Girl Children

Table 3

Results of the HRV in each group of obese female children .

HRV	Group	Before	After	T value	value
SDNN (ms)	Obese group	126.67 ± 13.05	128.89 ± 10.72	−0.885	0.388
	Obese exercise group	128.88 ± 10.72	139.67 ± 13.59^ΔΔ#	−10.361	0.000
RMSSD (ms)	Obese group	46.06 ± 8.33	46.89 ± 8.33	−0.995	0.334
	Obese exercise group	45.17 ± 8.83	49.28 ± 8.86^ΔΔ	−10.719	0.000
LF (ms^2)	Obese group	1026.67 ± 424.51	1008.44 ± 396.05	0.663	0.516
	Obese exercise group	1078.39 ± 474.39	1023.94 ± 497.93	1.831	0.085
HF (ms^2)	Obese group	677.71 ± 304.81	645.03 ± 303.79	0.386	0.705
	Obese exercise group	697.09 ± 306.98	986.03 ± 614.45^Δ#	−2.728	0.014
LF/HF	Obese group	1.73 ± 0.86	1.74 ± 0.75	−0.065	0.949
	Obese exercise group	1.79 ± 1.09	1.20 ± 0.63^Δ#	2.706	0.015

Note.^Δ and ^ΔΔ, comparison before and after the experiment; ^#, comparison between obese group and obese exercise group.