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.