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Table 1 Percentiles of maternal plasma proAtrial natriuretic peptide (nmol/L) at 22–40 weeks of gestational age (GA)

From: Maternal plasma pro-atrial and C-type natriuretic peptide levels and their associations with cardiovascular and renal function in the second half of normal pregnancy: a longitudinal study

  

Percentile

GA (weeks)

n

2.5th

5th

10th

50th

90th

95th

97.5th

22

35

0.002

0.004

0.008

0.093

1.085

2.178

3.987

23

15

0.002

0.004

0.008

0.090

1.066

2.148

3.945

24

0

0.002

0.004

0.007

0.087

1.048

2.119

3.903

25

2

0.002

0.003

0.007

0.085

1.030

2.090

3.862

26

20

0.002

0.003

0.007

0.082

1.012

2.061

3.821

27

19

0.002

0.003

0.006

0.080

0.994

2.033

3.781

28

9

0.002

0.003

0.006

0.077

0.977

2.005

3.741

29

7

0.002

0.003

0.006

0.075

0.960

1.977

3.702

30

15

0.001

0.003

0.006

0.073

0.943

1.950

3.663

31

23

0.001

0.003

0.005

0.070

0.927

1.924

3.624

32

7

0.001

0.002

0.005

0.068

0.911

1.897

3.586

33

5

0.001

0.002

0.005

0.066

0.895

1.871

3.548

34

17

0.001

0.002

0.005

0.064

0.880

1.846

3.511

35

19

0.001

0.002

0.004

0.062

0.865

1.820

3.474

36

5

0.001

0.002

0.004

0.060

0.850

1.796

3.437

37

9

0.001

0.002

0.004

0.059

0.835

1.771

3.401

38

18

0.001

0.002

0.004

0.057

0.820

1.747

3.365

39

22

0.001

0.002

0.004

0.055

0.806

1.723

3.330