项目 | <28周(n = 34) | 28~32周(n = 24) | >32周(n = 4) | χ2/F | P |
新生儿性别 |
|
|
| 0.026 | 0.987 |
男 | 16 | 11 | 2 |
|
|
女 | 18 | 13 | 2 |
|
|
出生体重(g) |
|
|
| 11.817 | 0.019 |
<1000 | 8 | 4 | 1 |
|
|
1000~1500 | 18 | 4 | 1 |
|
|
1501~2000 | 8 | 16 | 2 |
|
|
>2000 | 0 | 0 | 0 |
|
|
胎数 |
|
|
| 7.933 | 0.019 |
单胎 | 22 | 21 | 1 |
|
|
多胎 | 12 | 3 | 3 |
|
|
分娩方式 |
|
|
| 0.556 | 0.757 |
自然分娩 | 11 | 9 | 2 |
|
|
剖宫产 | 23 | 15 | 2 |
|
|
早产儿脑损伤 |
|
|
| 9.698 | 0.008 |
是 | 20 | 6 | 0 |
|
|
否 | 14 | 18 | 4 |
|
|
宫内感染性肺炎 |
|
|
| 6.014 | 0.049 |