| Apgar score in the1st minute | How to present | Statistical test | |||
| Full seat | Unseating seat | ||||
| Eff | % | Eff | % | ||
| 0 | 0 | 0 | 0 | 0 | - |
| 1 - 3 | 2 | 5.6 | 2 | 2.4 | P-0.73 |
| 4 - 6 | 9 | 25 | 13 | 15.5 | P-0.21 |
| 7 | 25 | 69.4 | 69 | 82.1 | P-0.96 |