. Author manuscript; available in PMC: 2015 Nov 15.

Published in final edited form as: J Neurol Sci. 2014 Sep 16;346(0):271–275. doi: 10.1016/j.jns.2014.09.006

Table 1.

Demographic data and other variables of HF and control subjects.

Variables	HF [n = 11]	Controls [n = 53]	p values
Age (years)	51.60±8.38	46.81±8.13	0.08
Gender (Male: Female)	7:4	32:21	0.84
Handedness	10 right; 1 left	40 right; 9 left; 4 ambidextrous	0.48
BMI (kg/m²)	27.47±5.39	24.71±3.80	0.045
LVEF (%)	0.28±0.08	-	-
PSQI	6.55±3.70	4.15±2.60	0.013
ESS	8.82±3.92	5.74±3.29	0.008
BDI-II	10.09±7.67	4.04±4.37	0.027^*
BAI	7.82±6.69	4.25±5.12	0.05

BAI = Back anxiety inventory; BDI-II = Back depression inventory; BMI = Body-mass-index; ESS = Epworth sleepiness scale; LVEF = Left ventricular ejection fraction; PSQI = Pittsburgh sleep quality index;

= Equal variances not assumed.