Clinical and Electrocardiographic Evaluation of Sickle-Cell Anaemia Patients with Pulmonary Hypertension

Table 5

Comparison of clinical and electrocardiographic parameters in patients with normal and increased pulmonary pressure.

Parameters	Values (mean SD)		t- test	𝑃value
	Increased PAP	Normal PAP
Age	25.08 (5.96)	23.64 (6.29)	1.011	0.316
Pulse rate	86.42 (6.99)	88 (5.19)	1.052	0.291
BMI	19.91 (2.11)	21.42 (3.23)	2.215	0.031*
Mean crisis frequency/year	3.20 (1.52)	2.22 (1.19)	2.703	0.009*
Systolic BP	121.00 (11.83)	119.28 (12.17)	0.556	0.580
Diastolic BP	63.00 (10.04)	66.50 (8.06)	1.521	0.133
MAP	79.12 (7.71)	83.26 (6.77)	1.284	0.204
Haematocrit	24.96 (2.73)	23.65 (3.34)	1.643	0.106
P-wave duration	152.3 (21.42)	109.4 (14.72)	9.354	0.0001*
P-wave dispersion	62.3 (19.74)	64.4 (17.31)	0.460	0.647
PR-interval	197.7 (28.5)	196.4 (32.08)	0.165	0.869
QRS duration	88.5 (19.74)	87.2 (18.61)	0.252	0.802
QRS dispersion	52.3 (7.22)	52.2 (6.62)	0.016	0.987
QTc interval	433.8 (38.69)	398.6 (18.61)	4.760	0.0001*
QTc dispersion	105.0 (23.24)	90.8 (18.54)	2.675	0.0096*

* Statistically significant (2 sided), BMI = body mass index, and MAP = mean arterial blood pressure.