Table 3.

Correlation of Qa and echocardiography parameters. A significant positive correlation between Qa and LV dimensions, volumes, wall thickness, LV mass, LV mass index and LA volume, cardiac output and SPAP. A significant negative correlation between Qa and LV EF.

Echocardiography parameters	Pearson’s correlation (r)	P value
LVEDD (cm)	0.297	0.003*
LVESD (cm)	0.413	0.000*
IVSd (cm)	0.263	0.008*
PWd (cm)	0.289	0.004*
LVEDV (ml/m2)	0.574	0.000*
LVESV (ml/m2)	0.679	0.000*
EF (modified Simpson’s method) (%)	−0.387	0.001*
LV mass (g)	0.346	0.000*
LV mass index (g/m2)	0.237	0.017*
RWT	−0.025	0.805
LA volume (ml/m2)	0.304	0.004*
SPAP (mmHg)	0.251	0.012*
TAPSE (cm)	−0.107	0.287
LVOTd (cm)	0.167	0.097
LVOT area (cm2)	0.172	0.088
LVOT VTI (cm)	0.338	0.001*
SV (ml)	0.340	0.001*
HR (bpm)	0.176	0.117
CO (ml/min)	0.454	0.000*
E (m/s)	0.272	0.006*
A (m/s)	0.045	0.660
E/A	0.104	0.303
E-dct (ms)	−0.022	0.832
s′ (m/s)	−0.072	0.479
e′ (m/s)	0.018	0.859
a′ (m/s)	0.250	0.013*
E/e′	0.250	0.013*