Table 4: Comparison of the area under the curve for different combinations of screening studies.
|
|
Area under curve - AUC (SE) |
||
|
|
PTD < 34. wks. |
PTD 34. - 37. wks. |
PTD < 37. wks. |
|
Maternal risk factors |
0.65 (0.07) |
0.57 (0.06) |
0.68 (0.04) |
|
Cervical length |
0.89 (0.07) |
0.89 (0.04) |
0.91 (0.03) |
|
Mean UtA PI MoM |
0.49 (0.07) |
0.52 (0.07) |
0.59 (0.05) |
|
AFP MoM |
0.94 (0.05) |
0.88 (0.04) |
0.92 (0.03) |
|
PAPP-A MoM |
0.93 (0.03) |
0.86 (0.03) |
0.93 (0.02) |
|
b-hCG MoM |
0.41 (0.09) |
0.24 (0.05) |
0.46 (0.05) |
|
Maternal risk factor + |
|
|
|
|
Cervical length |
0.90 (0.07) |
0.89 (0.04) |
0.89 (0.03) |
|
AFP MoM |
0.92 (0.05) |
0.88 (0.04) |
0.91 (0.03) |
|
b-hCG MoM |
0.56 (0.07) |
0.49 (0.06) |
0.92 (0.03) |
|
Cervical length + AFP MoM |
0.93 (0.09) |
0.91 (0.05) |
0.92 (0.03) |
|
Cervcial length + AFP MoM + PAPP-A MoM |
0.98 (0.02) |
0.90 (0.02) |
0.99 (0.01) |
SE: standard deviation