Table 2 PlGF Test Positive Fraction in healthy controls, hypertensive patients by diagnosis, or hypertensive patients by length-of-pregnancy. N is the number of subjects in each group and N+ is the number who tested positive in each group

From: Evaluation of a rapid and simple placental growth factor test in hypertensive disorders of pregnancy

  

Below the 5th percentile

⩽12 pg ml−1

Group

N

N+

Fraction

95%LCI

95%UCI

N+

Fraction

95%LCI

95%UCI

Controls

27

1

0.037

0.001

0.190

0

0.000

0.000

0.128

GHT

18

8

0.444

0.215

0.692

3

0.167

0.036

0.414

CHT

25

15

0.600

0.387

0.789

5

0.200

0.068

0.407

PE

23

22

0.957

0.781

0.999

18

0.783

0.563

0.925

HELLP

20

19

0.950

0.751

0.999

17

0.850

0.621

0.968

SIPE

17

14

0.824

0.566

0.962

8

0.471

0.230

0.722

LP<35+0

63

59

0.937

0.845

0.982

48

0.762

0.638

0.860

LP 35–37

11

8

0.727

0.390

0.940

1

0.091

0.002

0.413

LP>36+6

29

11

0.379

0.207

0.577

2

0.069

0.008

0.228

LP<37

74

67

0.905

0.815

0.961

49

0.662

0.543

0.768

LP<37a

71

67

0.944

0.862

0.984

49

0.690

0.569

0.795

  1. aExcludes three patients who delivered prior to 37 weeks for reasons unrelated to hypertension (two due to pPROM and one due to bradycardia of fetus).
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