Table 2.

HRV parameters (means ± SD) in PD patients and controls

Variables	PD patients (18)	Controls (18)	p
SEX(men%)	9(50)	9(50)
AGE(years)	55.6 ± 8.8	55.6 ± 8.8	0.8
SDNN 24(ms)	122.6 ± 38.3	136.0 ± 21.4	0.2
SDNN D(ms)	84.3 ± 27.9	96.2 ± 36.5	0.3
SDNN N(ms)	112.6 ± 40.9	119 ± 31.3	0.6
pnn50 24(%)	4.5 ± 4.1	5.3 ± 5.3	0.6
pnn50 D(%)	2.5 ± 2.3	3.8 ± 4.8	0.3
pnn50 N(%)	9.3 ± 9.4	8.4 ± 7.6	0.8
rMSS 24(ms)	24.9 ± 7	25.9 ± 7.7	0.7
rMSS D(ms)	20.8 ± 5.5	23.4 ± 8.9	0.3
rMSS N (ms)	31.1 ± 11.9	29.6 ± 9.5	0.7
SDANN(ms)	118.1 ± 38.8	124.7 ± 21.2	0.5
ISDNN(ms)	42.9 ± 14.2	53.4 ± 10.1	0.01

PD Parkinson’s disease; D day; N night