| 影响因素 | 成功组(n = 73) | 失败组(n = 26) | P值 |
| 产前激素 | 0.75 ± 0.83 | 0.46 ± 0.42 | 0.13 |
| 剖宫产(%) | 61 (83.56) | 26 (100) | 0.027 |
| 妊娠高血压(%) | 26 (35.62) | 9 (34.62) | 0.927 |
| 妊娠糖尿病(%) | 40 (54.79) | 21 (80.76) | 0.019 |
| 胎膜早破(%) | 17 (23.29) | 4 (15.38) | 0.577 |
| 体重(g) | 2000.30 ± 494.12 | 2049.62 ± 530.38 | 0.703 |
| 胸片分级 | 1.38 ± 0.59 | 3.23 ± 0.65 | 0.000 |
| APGAR评分 | 9.04 ± 3.66 | 8.38 ± 1.67 | 0.000 |
| 性别(%) | 48 (65.75) | 11 (57.69) | 0.463 |
| PDA (%) | 18 (24.66) | 12 (46.15) | 041 |
| FiO2 (%) | 28.14 ± 3.33 | 30.27 ± 3.11 | 0.001 |
| 咖啡因(%) | 5 (6.84) | 3 (13.04) | 0.451 |