Table 5.

Correlation between different HRV time-domain parameters and patient characteristics (n=100)

Patient Characteristics	Mean time		SDNN		RMSSD
	rs	p	rs	p	rs	P
Age (years)	-0.435*	<0.001*	-0.416*	<0.001*	-0.233*	0.019*
LVEF	0.370*	<0.001*	0.282*	0.004*	0.288*	0.004*
SYNTAX score	-0.686*	<0.001*	-0.637*	<0.001*	-0.673*	<0.001*
TIMI flow	0.151	0.133	0.085	0.398	0.121	0.229

r_s: Spearman coefficient.

^*Statistically significant at P≤0.05.