Table 1.
Mean values of 40 patients for each parameter measured.
| Total (n = 40) | Fit group (n = 21) | Non-fit group (n = 19) | ||
|---|---|---|---|---|
| Age (month) | 18.0 ± 28.2 | 32.9 ± 32.3 | 1.5 ± 1.1 | p < 0.0001 |
| BW (kg) | 8.2 ± 6.2 | 12.0 ± 6.4 | 3.9 ± 1.0 | p < 0.0001 |
| Ht (cm) | 68.7 ± 22.8 | 83.8 ± 21.8 | 52.1 ± 6.0 | p < 0.0001 |
| BSA (m2) | 0.39 ± 0.21 | 0.52 ± 0.21 | 0.23 ± 0.04 | p < 0.0001 |
| A (mm) | 139.2 ± 30.8 | 160.6 ± 27.0 | 115.6 ± 11.4 | p < 0.0001 |
| B (mm) | 81.8 ± 18.6 | 94.7 ± 16.2 | 67.5 ± 7.3 | p < 0.0001 |
| C (mm) | 53.9 ± 15.2 | 62.3 ± 13.5 | 43.7 ± 10.3 | p < 0.0001 |
| D (mm) | 75.8 ± 19.5 | 87.8 ± 18.0 | 61.2 ± 9.1 | p < 0.0001 |
| E (mm) | 79.0 ± 14.6 | 82.1 ± 15.5 | 69.6 ± 4.7 | p < 0.05 |
| CTR (B/A) | 0.59 ± 0.07 | 0.59 ± 0.07 | 0.59 ± 0.07 | p = 0.89 |
BW, body weight; Ht, height; BSA, body surface area; CTR, cardio-thoracic ratio; A, the thoracic width from left to right; B, the total heart size; C, the distance between the middle of vertebrae to apex; D, the distance from the carina to the apex; E, the distance between the sternum and middle of the vertebrae in side view.