Psychological status and physical performance are independently associated with autonomic function

Table 3 HRV and BPV indices at the standing position in fallers and non-fallers

	Heart rate			Systolic blood pressure			Diastolic blood pressure
	Fallers (N = 35)	Non-fallers (N = 25)	p-value	Fallers (N = 35)	Non-fallers (N = 25)	p-value	Fallers (N = 35)	Non-fallers (N = 25)	p-value
Time domain indices (mean ± s.d.)
SDNN	30.93 ± 17.6	40.23 ± 21.89	0.072	5.54 ± 2.44	5.47 ± 2.19	0.921	3.88 ± 1.89	3.75 ± 1.64	0.772
CV	0.036 ± 0.018	0.048 ± 0.023	0.008**	0.068 ± 0.041	0.055 ± 0.024	0.168	0.059 ± 0.04	0.05 ± 0.021	0.1977
ARV	15.27 ± 10.64	19.91 ± 19.15	0.230	1.15 ± 0.49	1.10 ± 0.63	0.745	0.87 ± 0.34	0.88 ± 0.43	0.897
RMSRV	22.79 ± 20.73	27.99 ± 27.95	0.407	1.97 ± 1.09	1.74 ± 1.11	0.417	1.42 ± 0.60	1.40 ± 0.67	0.905
Frequency domain indices (mean ± s.d.)
LF-nu	52.69 ± 18.67	53.5 ± 22.89)	0.882	66.95 ± 18.68	78.33 ± 15.37	0.008**	67.02 ± 17.7	78.25 ± 14.5	0.008**
HF-nu	47.30 ± 18.67	46.50 ± 22.89	0.882	33.05 ± 18.68	21.67 ± 15.37	0.008**	31.88 ± 17.7	20.52 ± 14.4	0.005**
TP	86,070 ± 113,574	414,905 ± 505,243	0.288	1421.7 ± 1190.1	1536.6 ± 2322	0.803	785.8 ± 836.2	732.3 ± 664.7	0.792
LF/HF	1.511 ± 1.137	1.898 ± 1.807	0.313	2.92 ± 2.81	4.42 ± 3.56	0.033*	3.63 ± 3.68	4.95 ± 3.83	0.184

SDNN standard deviation of NN interval, CV coefficient variation, ARV average real variability, RMSRV root mean square of real variability, LF-nu low-frequency normalised unit, HF-nu high-frequency normalised unit, TP total power, LF/HF ratio of LF and HF
^*Independent T-test p-value < 0.05
^**Independent T-test p-value < 0.001

ISSN: 1475-925X