Supplemental Table 4. Electrocardiographic features of the military women attended the 3000-m run test and those attended the 2-min push-up test.
ECG characteristics | Participants attended the 3000-m run test (N = 177) | Participants attended the 2-min push-up test (N = 89) | ||||
Q1-performance (< 965 sec) (N = 47) | Q4-performance (≥ 1100 sec) (N = 42) | p value | Q1-performance (> 40 times) (N = 25) | Q4-performance (< 30 times) (N = 28) | p value | |
Heart rate (beats/min) | 66.23 ± 8.96 | 69.17 ± 10.12 | 0.15 | 68.60 ± 9.95 | 68.93 ± 9.72 | 0.90 |
P duration (ms) | 100.54 ± 16.96 | 98.79 ± 11.52 | 0.57 | 100.41 ± 12.30 | 99.30 ± 8.59 | 0.70 |
PR interval (ms) | 154.11 ± 24.55 | 151.80 ± 17.60 | 0.61 | 148.94 ± 20.10 | 150.24 ± 20.83 | 0.81 |
QRS duration (ms) | 90.45 ± 10.32 | 88.76 ± 6.98 | 0.37 | 87.28 ± 8.32 | 86.14 ± 7.61 | 0.60 |
QTc interval (ms) | 407.87 ± 22.73 | 408.67 ± 23.80 | 0.87 | 406.00 ± 22.62 | 417.18 ± 37.04 | 0.19 |
QRS axis (degree) | 74.91 ± 36.52 | 65.67 ± 31.74 | 0.20 | 75.04 ± 16.12 | 58.21 ± 31.40 | 0.02 |
ECG based LVH (%) | 2 [4.3] | 0 [0.0] | 0.17 | 1 [4.0] | 0 [0.0] | 0.28 |
ECG based RVH (%) | 1 [2.1] | 1 [2.4] | 0.93 | 0 [0.0] | 0 [0.0] | NA |
Sinus bradycardia (%) | 11 [23.4] | 7 [16.7] | 0.43 | 3 [12.0] | 3 [10.7] | 0.88 |
Ectopic atrial rhythm (%) | 2 [4.3] | 1 [2.4] | 0.62 | 1 [4.0] | 1 [3.6] | 0.93 |
Left atrial enlargement (%) | 7 [14.9] | 8 [19.0] | 0.56 | 2 [8.0] | 3 [10.7] | 0.73 |
First degree atrioventricular block (%) | 2 [4.3] | 0 [0.0] | 0.17 | 0 [0.0] | 1 [3.6] | 0.34 |
Left axis deviation (%) | 2 [4.3] | 1 [2.4] | 0.62 | 0 [0.0] | 1 [3.6] | 0.34 |
Right axis deviation (%) | 15 [31.9] | 7 [16.7] | 0.09 | 4 [16.0] | 2 [7.1] | 0.31 |
Complete right bundle branch block (%) | 2 [4.3] | 0 [0.0] | 0.17 | 0 [0.0] | 0 [0.0] | NA |
Incomplete right bundle branch block (%) | 0 [0.0] | 0 [0.0] | NA | 0 [0.0] | 0 [0.0] | NA |
QT prolongation (%) | 0 [0.0] | 0 [0.0] | NA | 0 [0.0] | 1 [3.6] | 0.34 |
QTc prolongation (%) | 0 [0.0] | 0 [0.0] | NA | 0 [0.0] | 2 [7.1] | 0.17 |
Inferior T wave inversion (%) | 2 [4.3] | 1 [2.4] | 0.62 | 1 [4.0] | 2 [7.1] | 0.62 |
Categorical variables are expressed as N [%].
ECG, electrocardiography; LVH, left ventricular hypertrophy; NA, not available; RVH, right ventricular hypertrophy.