| 非整倍体 染色体 | 产前三联筛查 | NIPT | ||||||
| 灵敏度% | 特异度% | PPV% | NPV% | 灵敏度% | 特异度% | PPV% | NPV% | |
| T21 | 100 (28/28) | 87.12 (906/1040) | 17.28 (28/134) | 100 (906/906) | 100 (28/28) | 99.90 (1039/1040) | 96.55 (28/29) | 100 (1039/1039) |
| T18 | 100 (6/6) | 96.89 (1029/1062) | 15.38 (6/39) | 100 (1029/1029) | 100 (6/6) | 100 (1062/1062) | 100 (4/4) | 100 (1062/1062) |
| T13 | 100 (1/1) | 98.97 (1055/1066) | 8.33 (1/12) | 100 (1055/1055) | 100 (1/1) | 100 (1067/1067) | 100 (1/1) | 100 (1067/1067) |
| 总灵敏度 | 100 (35/35) | 100 (35/35) | ||||||
| 总特异度 | 82.87 (856/1033) | 99.90 (1032/1033) | ||||||
| 总PPV | 16.51 (35/212) | 97.22 (35/36) | ||||||
| 总NPV | 100 (856/856) | 100 (1032/1032) | ||||||