13 April 2022>: Clinical Research
External Quality Assessment of Maternal Serum Levels of Alpha-Fetoprotein, Free Beta-Human Chorionic Gonadotropin, and Unconjugated Estriol in Detecting Down Syndrome and Neural Tube Defects in the Second Trimester of 87 Maternal Serum Samples, Based on 105-139 Days
Yiming Chen 12AEG** , Yijie Chen 2BE* , Yezhen Shi 3CD , Wenwen Ning 2BE , Xiaoying Wang 1B , Liyao Li 1BC , Huimin Zhang 2FDOI: 10.12659/MSM.935573
Med Sci Monit 2022; 28:e935573
Supplementary Table 3 Correlation analysis of unconjugated estriol (uE3) multiple of median (MoM) value in 6 laboratories.
Laboratory | Lab A | Lab B | Lab C | Lab D | Lab E | Lab F | |
---|---|---|---|---|---|---|---|
Lab A | 1 | 0.973** | 0.966** | 0.967** | 0.978** | 0.913** | |
N | 87 | 87 | 87 | 87 | 87 | 87 | |
Lab B | 0.973** | 1 | 0.977** | 0.986** | 0.985** | 0.934** | |
N | 87 | 87 | 87 | 87 | 87 | 87 | |
Lab C | 0.966** | 0.977** | 1 | 0.959** | 0.976** | 0.917** | |
N | 87 | 87 | 87 | 87 | 87 | 87 | |
Lab D | 0.967** | 0.986** | 0.959** | 1 | 0.968** | 0.926** | |
N | 87 | 87 | 87 | 87 | 87 | 87 | |
Lab E | 0.978** | 0.985** | 0.976** | 0.968** | 1 | 0.918** | |
N | 87 | 87 | 87 | 87 | 87 | 87 | |
Lab F | 0.913** | 0.934** | 0.917** | 0.926** | 0.918** | 1 | |
N | 87 | 87 | 87 | 87 | 87 | 87 | |
** Correlation is significant at a 0.01 level (2-tailed). |