Research Article

Effectiveness of Different Algorithms and Cut-off Value in Preeclampsia First Trimester Screening

Table 6

Characteristics of the groups in terms of the cases detected compared to algorithm 1 (History+MAP+UtA-PI+PlGF) (n: number of patients; ASA: acetylsalicylic acid).

(1) History+MAP+UtPI+PlGF(2) History+MAP+UtPI+PlGF+PAPP-A(3) History+MAP+UtPI+PAPP-A(4) History+MAP+UtPI

1 : 70 cut-offScreen positive rate (%)44 (5.5)47 (5.9)51 (6.4)48 (6)
Cases found by both algorithm 1 and the tested algorithm (%)44 (5.5)41 (5.1)38 (4.7)
Additional cases found for unnecessary ASA prophylaxis (%)3 (0.37)10 (1.2)10 (1.2)

1 : 100 cut-offScreen positive rate (%)58 (7.2)60 (7.5)59 (7.36)61 (7.6)
Cases found by both algorithm 1 and the tested algorithm (%)56 (7)42 (5.2)41 (5.1)
Additional cases found for unnecessary ASA prophylaxis (%)4 (0.5)17 (2.1)20 (2.5)

1 : 150 cut-offScreen positive rate (%)86 (10.7)87 (10.9)80 (10)84 (10.5)
Cases found by both algorithm 1 and the tested algorithm (%)83 (10.4)62 (7.8)60 (7.5)
Additional cases found for unnecessary ASA prophylaxis (%)4 (0.5)18 (2.2)24 (3)