Table 4.

Mean, standard deviation, 95% confidence interval and p value for Poincaré plot of obese and eutrophic children.

Variables	Obese	Eutrophic	p
SD1	19.92 ± 9.23	23.24 ± 7.43	0.033*
	[17.45–22.39]	[21.40–25.08]
SD2	52.43 ± 16.74	67.93 ± 16.60	0.001*
	[47.95–56.92]	[63.82–72.05]
SD1/SD2 ratio	0.3698 ± 0.11	0.3445 ± 0.08	0.162
	[0.3403–0.3993]	[0.3238–0.3652]

^*Significant difference between groups (Student's t-test); SD1: standard deviation of instantaneous beat-to-beat RR interval variability; SD2: standard deviation of continuous long-term RR interval variability