. Author manuscript; available in PMC: 2015 Mar 1.

Published in final edited form as: Ann Noninvasive Electrocardiol. 2013 Sep 9;19(2):114–121. doi: 10.1111/anec.12084

Table 2.

Electrophysiological and structural parameters of the heart atria and ventricles.

Characteristic	N=90
P duration (SD), ms	112.0(13.1)
PQ interval (SD), ms	176.9(32.6)
Heart rate (SD), bpm	65.7(10.4)
QRS duration (SD), ms	101.6(21.6)
P-axis (SD), deg	48.3(32.1)
QTc duration (SD), ms	429.0(24.5)
X lead P_f, n/100ms	3.2(1.2)
Y lead P_f, n/100ms	4.4(1.9)
Z lead P_f, n/100ms	3.1(1.4)
X_{40–300 Hz} P_f, n/100ms	11.0(3.3)
Y_{40–300 Hz} P_f, n/100ms	13.0(3.5)
Z_{40–300 Hz} P_f, n/100ms	12.1(3.4)
SAECG_{40–300 Hz} P_f, n/100ms	13.2(1.2)
LVEF (SD), %	60.5(9.0)
LV mass index (SD), g/m²	66.9(17.7)
LVESVI (SD), ml/m²	27.8(11.4)
LVEDVI (SD), ml/m²	67.7(16.6)
Right atrium area index (SD), cm²/m²	9.1(2.8)
Left atrium area index (SD), cm²/m²	10.5(2.4)
Epicardial fat index (SD), cm²/m²	7.5(2.4)
Epicardial fat(SD), cm²	14.6(5.7)
Interatrial fat index (SD), cm²/m²	0.23(0.26)
Interatrial fat (SD), cm²	0.46(0.53)
Atrial septum width (SD), cm	0.52(0.25)