Personalization of CM Injection Protocols in Coronary Computed Tomographic Angiography (People CT Trial)
Table 2
Baseline characteristics between groups.
Parameter
Group BW (n = 112)
Group LBW (n = 108)
Group CO (n = 107)
Age (years)
60.0 ± 10.1
59.2 ± 10.1
59.5 ± 11.7
Sex
Women (n%)
56 (50)
54 (50)
58 (54.2)
Men (n%)
56 (50)
54 (50)
49 (45.8)
Height (m)
1.73 ± 0.1
1.73 ± 0.1
1.73 ± 0.1
Weight (kg)
83.1 ± 16.7
83.6 ± 15.4
83.2 ± 15.5
BMI (kg/m2)
27.9 ± 5.0
27.9 ± 4.2
27.8 ± 4.9
BSA (m2)
2.0 ± 0.2
2.0 ± 0.2
2.0 ± 0.2
CO (L/min)
6.8 ± 1.0
6.9 ± 0.9
6.9 ± 0.9
LBW (kg)
54.8 ± 8.7
55.0 ± 9.0
54.7 ± 8.0
HR (bpm)
65.0 ± 14.7
64.9 ± 11.6
66.5 ± 12.9
Indication scan (n %)
Atypical chest pain
50 (44.6)
59 (54.6)
52 (48.6)
Typical chest pain
7 (6.3)
4 (3.7)
3 (2.8)
CAD
33 (29.5)
29 (26.9)
38 (35.5)
AF
8 (7.1)
7 (6.5)
4 (3.7)
Other
14 (12.5)
8 (7.4)
10 (9.3)
Not available
—
1 (0.9)
—
Preparation (n%)
Nitroglycerin
109 (97.3)
107 (99.1)
101 (94.4)
Beta-blocker
8 (7.1)
9 (8.3)
14 (13.1)
Selokeen (i.v.)
7 (6.3)
3 (2.8)
7 (6.5)
Scan protocol (n%)
Flash
79 (70.5)
70 (64.8)
71 (66.4)
Adaptive sequence
26 (23.2)
29 (26.9)
31 (29.0)
Helical
7 (6.3)
9 (8.3)
5 (4.7)
Tube voltage (kV) n (%)
70
44 (39.3)
41 (38.0)
46 (43.0)
80
42 (37.5)
45 (41.7)
39 (36.4)
90
10 (8.9)
12 (11.1)
11 (10.3)
100
5 (4.5)
4 (3.7)
7 (6.5)
110
—
—
—
120
11 (9.8)
6 (5.6)
4 (3.7)
Agatston score
176 ± 417
178 ± 344
147 ± 410
Calcium mass (equivalent mass/mg)
31 ± 72
33 ± 63
28 ± 75
Note. Values are presented as mean ± standard deviation or numbers. BW = body weight; LBW = lean body weight; CO= Cardiac output; BMI = body mass index; BSA = body surface area; HR = heart rate; CAD = coronary artery disease; AF = atrial fibrillation; i.v. = intravenous.
