Table 3.

Summary of ECG features: comparison of patients with morbid obesity (MO) and non-morbid obesity (NMO)].

ECG Features	Patients with MO [N (%)]	Patients with NMO [N (%)]	p-Value
Heart rate	88 (75.9) 27 (23.3) 1 (0.8)	29 (85.3) 5 (14.7) 0 (0.0)	0.47
Normal rate Sinus tachycardia Sinus bradycardia
P-wave morphology	109 (94.0) 5 (4.3) 2 (1.7)	32 (94.1) 2 (5.9) 0 (0.0)	0.70
Normal Left atrial enlargement Right atrial enlargement
PR interval	105 (90.5) 1 (0.9) 10 (8.6)	32 (94.1) 0 (0.0) 2 (5.9)	0.75
Normal Prolonged Shortened
Q-waves	112 (96.6) 4 (3.4)	34 (100.0) 0 (0.0)	0.52
Normal Pathological
Corrected QT interval (QTc)	102 (87.9) 0 (0.0) 14 (12.1)	32 (94.1) 0 (0.0) 2 (5.9)	0.53
Normal Shortened Prolonged
Axis	112 (96.6) 4 (3.4) 0 (0.0)	34 (100.0) 0 (0.0) 0 (0.0)	0.58
Normal Left sided deviation Right sided deviation
Arrhythmias	2 (1.7)	0 (0.0)	0.89
ST segment	105 (90.5) 11 (9.5)	31 (91.2) 3 (8.8)	0.90
Normal Depression
T-wave abnormalities	29 (25.0)	10 (29.4)	0.61
Bundle Branch Blocks	1 (0.9) 4 (3.5)	0 (0.0) 0 (0.0)	0.47
Left bundle branch Right bundle branch
Ventricular Hypertrophy	5 (4.3) 3 (2.6) 1 (0.9)	0 (0.0) 0 (0.0) 0 (0.0)	0.42
Left Right Biventricular hypertrophy
Poor R-wave progression	15 (12.9)	2 (5.9)	0.36
Average interval length [Mean (SD)]
PR Interval	146.4 (20.2)	144.8 (18.6)	0.67
QRS Duration	89.3 (10.1)	87.1 (11.4)	0.13
QTc interval	433.6 (23.8)	427.71 (19.1)	0.17