Postural Changes on Heart Rate Variability among Older Population: A Preliminary Study

Table 2

Descriptive statistics, repeated measures ANOVA, and paired t-test for ANS indices.

ANS index	Mean (standard deviation)			Repeated measures ANOVA results	Paired t-test results
	Sitting (ST)	Supine (SP)	Standing (SD)		ST-SP	SP-SD	ST-SD
PNS index	−1.11 (0.79)	−0.84 (0.77)	−1.11 (0.80)				NS
SNS index	3.53 (2.30)	2.91 (2.17)	3.53 (2.19)				NS

Note. Symbols , , and denote significant levels at 0.05, 0.01, and 0.001, respectively; NS = no significance.