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| Top 10 | Chinese elite(n = 7) | T | Z | P | |
|---|---|---|---|---|---|
| Age start training(years) | 5.6±1.36 | 6.3±2.36 | -7.49 | 0.466 | |
| Age start ranking(years) | 16.2±0.87 | 17±0.82 | -1.846 | 0.085 | |
| 600-400(months) | 4.8±6.65 | 11±11.93 | -1.715 | 0.086 | |
| 400-200(months) | 11.9±7.94 | 14.29±5.61 | -0.388 | 0.707 | |
| 200-150(months) | 4.9±4.93 | 7.57±2.98 | -0.495 | 0.621 | |
| 150-100(months) | 17.6±23.94 | 25.4±22.89 | -0.790 | 0.429 |
