Utilization of an Optimized Radiation Strategy in Primary Percutaneous Coronary Intervention for Patients with ST-Segment-Elevation Myocardial Infarction
Table 1
Baseline clinical characteristics.
ORS group (n = 151)
NRS group (n = 63)
value
Gender, male
126 (83.4%)
55 (87.3%)
0.476
Age (years)
64.4 ± 12.2
65.2 ± 11.4
0.683
BMI (kg/m2)
24.0 ± 2.6
24.0 ± 3.2
0.906
Medical history
Hypertension
99 (65.6%)
39 (61.9%)
0.610
Diabetes
44 (29.1%)
15 (23.8%)
0.427
Insulin-treated
5 (3.3%)
3 (4.8%)
0.696
Dyslipidemia
76 (50.3%)
26 (41.3%)
0.226
Smoking
90 (59.6%)
36 (57.1%)
0.739
Previous coronary intervention
43 (28.5%)
22 (34.9%)
0.350
Previous CABG
1 (0.7%)
1 (1.6%)
0.503
Clinical presentation
Heart rate (beats/min)
77.8 ± 15.4
75.9 ± 13.9
0.399
Blood pressure (mm·Hg)
Systolic blood pressure
120.7 ± 22.1
118.4 ± 20.4
0.489
Diastolic blood pressure
74.6 ± 14.2
71.7 ± 13.6
0.176
Cardiogenic shock on presentation
4 (2.6%)
0 (0%)
0.323
Infarct location
Anterior
78 (51.7%)
27 (42.9%)
0.241
Not anterior
73 (48.3%)
36 (57.1%)
Killip class
I
139 (92.1%)
57 (90.5%)
0.705
II‒IV
12 (7.9%)
6 (9.5%)
Left ventricular ejection fraction (%)
52.4 ± 7.5
52.8 ± 8.9
0.747
Continuous data are presented as mean ± SD; categorical data are expressed as counts (percentage). ORS: optimized radiation strategy; NRS: normal radiation strategy; BMI: body mass index; CABG: coronary artery bypass grafting. Value for 210 patients.
