项目 | BPD组 | 非BPD组 | χ2/Z | P |
性别,男(n,%) | 72 (53.7) | 179 (45.0) | 3.084 | 0.079 |
胎龄(w, ) | 28.63 ± 1.71 | 30.18 ± 1.26 | 9.652 | <0.001 |
出生体重(g, ) | 1070.51 ± 253.38 | 1330.18 ± 262.61 | 9.987 | <0.001 |
多胎(n, %) | 31 (23.1) | 72 (18.1) | 1.634 | 0.201 |
1分钟Apgar评分(分, ) | 6.46 ± 2.36 | 7.72 ± 2.06 | 5.553 | <0.001 |
5分钟Apgar评分(分, ) | 8.11 ± 1.87 | 9.09 ± 1.38 | 5.524 | <0.001 |
单剂PS*应用(n, %) | 52 (38.8) | 74 (18.6) | 22.660 | <0.001 |
多剂PS*应用(n, %) | 20 (14.9) | 8 (2.0) | 33.537 | <0.001 |
侵入性有创机械通气时间(d, ) | 2.22 ± 8.27 | 0.13 ± 0.78 | −2.920 | 0.004 |
无创机械通气时间(d, ) | 29.96 ± 19.71 | 7.35 ± 7.31 | −12.975 | <0.001 |
面罩/鼻导管吸氧时间(d, ) | 22.16 ± 15.13 | 4.53 ± 6.83 | −13.048 | <0.001 |
吸氧浓度 ≥ 30% (n, %) | 79 (59.0) | 89 (22.4) | 62.129 | <0.001 |
输血(n, %) | 119 (88.8) | 202 (50.8) | 60.656 | <0.001 |
输血次数(n, ) | 3.61 ± 2.95 | 1.18 ± 1.60 | −9.129 | <0.001 |
体质量每日增长(g/d, ) | 12.98 ± 5.53 | 16.83 ± 5.44 | 7.065 | <0.001 |
总住院时间(d, ) | 72.69 ± 20.47 | 48.17 ± 13.04 | −13.008 | <0.001 |