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| Variables | Schools | Juniors | Seniors |
|---|---|---|---|
| Axis QRS (°) | 76°±8.43 | 73°±18.28 | 58°±30.11 |
| Axis T (°) | 75°±6.99 | 60.5°±20.57 | 55.40°±33.04 |
| P Wave (mV) | 1.10±0.46 | 1.40±0.52 | 1.50±0.47 |
| P Wave (sec) | 0.073±0.01 | 0.077±0.01 | 0.068±0.03 |
| PR interval (sec) | 0.14±0.03 | 0.139±0.03 | 0.17±0.03 |
| SOKOLOW index (mV) | 28±5.86 | 30.90±4.17 | 27.70±4.9 |
NS differences between “schools vs. juniors” and “juniors vs. seniors”.
