Table 4.

Comparison between the four studied groups as regards right ventricular function by conventional echo-Doppler echocardiography and pulsed-wave tissue Doppler by the analysis of variance test

Parameter	Negative	HTN	Diabetes	Both	P
E (cm/s)	47.82±10.61	51.42±13.55	45.14±9.47	62.61±14.83	0.000
A (cm/s)	54.33±16.48	58.71±14.59	54.29±11.71	61.16±15.24	0.039
E/A	0.92±0.24	0.91±0.26	0.86±0.20	1.08±0.35	0.001
DT (m)	214.81±53.23	223.84±71.56	239.00±76.20	186.19±8.99	0.002
TAPSE (mm)	2.47±0.32	2.57±0.33	2.61±0.34	2.58±0.35	0.113
S (cm/s)	15.02±5.25	12.71±4.51	12.90±3.74	11.47±4.49	0.000
E’ (cm/s)	12.46±3.39	10.98±3.41	11.33±2.39	9.25±1.96	0.000
A’ (cm/s)	13.89±3.28	13.08±3.90	13.90±3.16	12.25±4.15	0.058
E/E’	4.06±1.20	5.05±1.85	4.27±1.70	7.04±1.99	0.000
E’/A’	0.93±0.29	0.90±0.30	0.83±0.18	0.81±0.23	0.051

Negative=Patients who are not suffering from HTN or DM, Both=Patients who are suffering from both HTN and DM, E=Peak velocity of the early E-wave, A=Peak velocity of late A-wave, E/A=E/A ratio, DT=Deceleration time of the early diastolic flow, TAPSE=Tricuspid annular plane systolic excursion, S=Positive peak systolic velocity measured by Doppler tissue imaging at tricuspid valve annulus, É=Early diastolic negative velocity measured by Doppler tissue imaging at tricuspid valve annulus, Á=Late diastolic negative diastolic velocity measured by Doppler tissue imaging at tricuspid valve annulus, HTN=Hypertension, DM=Diabetes mellitus