Predictive value of the fragmented QRS complex in 6-month mortality and morbidity following acute coronary syndrome

Figures & data

Table 1 Possible contributory factors in developing fragmented QRS

	Patients (n = 100)	With fQRS 30 (30%)	Without fQRS 70 (70%)	P-value
Hypertension	36 (36%)	11 (36.6%)	25 (35.7%)	0.52
Diabetes	17 (17%)	5 (16.7%)	12 (17.1%)	0.5
Smoking	47 (47%)	10 (33.3%)	37 (52.8%)	0.10
Hyperlipidemia	28 (28%)	10 (33.3%)	18 (25.7%)	0.34
Family history of CAD	15 (15%)	4 (13.3%)	11 (15.7%)	0.58
Thrombolytic therapy	37 (37%)	12 (60%)	25 (54.3%)	0.44
Elevated CPK	65 (65%)	20 (83.3%)	45 (77.6%)	0.39
Elevated cardiac troponin I	61 (61%)	16 (72.7%)	45 (72.7%)	0.60

Abbreviations: CAD, coronary artery disease; fQRS, fragmented QRS; CPK, creatine phosphokinase.

Table 2 Data of patients with and without fragmented QRS at the time of presentation

	Patients (n = 100)	With fQRS 30 (30%)	Without fQRS 70 (70%)	P-value
LVEF	41.2	41.2	42.2	0.73
Elective CAG	70 (70%)	23 (76.6%)	47 (67.1%)	0.2
CAG findings
1. vessel disease	27 (39.7%)	7 (31.8%)	20 (43.5%)	0.4
2. vessel disease	22 (32.4%)	8 (36.4%)	14 (30.4%)
3. vessel disease	19 (27.9%)	7 (31.8%)	12 (26.1%)
LV dysfunction	51 (51%)	12 (44.4%)	39 (44.8%)	0.58
PCI	57 (57%)	16 (53.3%)	41 (59%)	0.44
CABG	18 (18%)	8 (26.6%)	10 (14.2%)	0.42

Abbreviations: CABG, coronary artery bypass grafting; CAG, coronary angiography; LV, left ventricular; LVEF, left ventricular ejection fraction; PCI, percutaneous coronary intervention; fQRS, fragmented QRS.