| 项目 | 自然分娩 | 剖宫产 | χ2 | P |
| 年龄(岁) |
|
| 1366.64 | 0.001 |
| 13~23 | 2186 (56.02) | 1716 (43.98) |
|
|
| 24~34 | 18,435 (46.17) | 21,494 (53.83) |
|
|
| ≥35 | 2202 (26.32) | 6164 (73.68) |
|
|
| 住院天数(天) |
|
| 17282.31 | 0.001 |
| 1~3 | 9569 (98.63) | 133 (1.37) |
|
|
| 4~7 | 11,154 (40.31) | 16,515 (59.69) |
|
|
| 8~15 | 1926 (14.25) | 11,589 (85.75) |
|
|
| ≥15 | 174 (13.27) | 1137 (86.73) |
|
|