Study of pulmonary hypertension in post-COVID-19 patients by transthoracic echocardiography

The Egyptian Journal of Bronchology

Table 3 Range, mean, standard deviation (SD), and statistical analysis of some echocardiographic measurements in the three studied groups

		Range			Mean	±	SD	F-test	p-value
Pulmonary artery pressure (mmHg)	Group I	15	–	30	22.80	±	4.26	72.979	0.001*	P1	0.001*
	Group II	35	–	65	47.07	±	11.49			P2	0.001*
	Group III	40	–	85	65.60	±	12.47			P3	0.001*
Right ventricle diameter (mm)	Group I	28	–	41	34.93	±	4.37	10.050	0.001*	P1	0.001*
	Group II	32	–	58	42.67	±	7.58			P2	0.001*
	Group III	32	–	56	43.65	±	5.79			P3	0.635
Rt atrial diameter (mm)	Group I	28	–	44	34.20	±	4.54	13.596	0.001*	P1	0.001*
	Group II	33	–	55	41.67	±	7.41			P2	0.001*
	Group III	34	–	55	44.05	±	4.82			P3	0.223
RV-GLS (%)	Group I	− 50	–	− 32	− 38.27	±	5.33	87.093	0.001*	P1	0.001*
	Group II	− 40	–	− 17	− 25.07	±	6.38			P2	0.001*
	Group III	− 21	–	− 10	− 15.7	±	3.34			P3	0.001*
TAPSE (mm)	Group I	2.3	–	4.6	3.47	±	0.82	44.776	0.001*	P1	0.001*
	Group II	1.4	–	4.1	2.46	±	0.83			P2	0.001*
	Group III	1.2	–	1.6	1.41	±	0.13			P3	0.001*

^*Significant as p-value ≤ 0.05 (RV-GLS right ventricular global longitudinal strain, TAPSE tricuspid annular plane systolic excursion)