Renal artery pulsatility index (PI)

Obstetrics and Gynecology 1991;77:370

 

 

5th   

Percentile

50th

Percentile

95th

Percentile

 

22

1.57

2.48

3.39

23

1.55

2.46

3.35

24

1.54

2.44

3.34

25

1.52

2.42

3.32

26

1.5

2.4

3.29

27

1.48

2.38

3.27

28

1.46

2.35

3.25

29

1.44

2.33

3.23

30

1.42

2.31

3.2

31

1.4

2.29

3.18

32

1.38

2.27

3.16

33

1.36

2.25

3.14

34

1.34

2.23

3.12

35

1.32

2.21

3.1

36

1.3

2.19

3.08

37

1.28

2.17

3.06

38

1.25

2.15

3.04

39

1.23

2.13

3.02

40

1.21

2.11

3

41

1.19

2.08

2.98

42

1.16

2.06

2.96