| 叶酸代谢风险 | uRPL组(N = 230) | 对照组(N = 230) | P |
| 自然流产次数 = 2 | 162 |
|
|
| 未发现风险 | 45 (27.8%) | 53 (23.0%) | 0.656 |
| 低度风险 | 79 (48.8%) | 115 (50.0%) |
|
| 中度风险 | 36 (22.2%) | 57 (24.8%) |
|
| 高度风险 | 2 (1.2%) | 5 (2.2%) |
|
| 自然流产次数 = 3 | 52 |
|
|
| 未发现风险 | 18 (34.6%) | 53 (23.0%) | 0.107 |
| 低度风险 | 23 (44.2%) | 115 (50.0%) |
|
| 中度风险 | 8 (15.4%) | 57 (24.8%) |
|
| 高度风险 | 3 (5.8%) | 5 (2.2%) |
|
| 自然流产次数 ≥ 4 | 16 |
|
|