CMB grade

Pulse pressure quartiles

N

Q1

Q2

Q3

Q4

0 (0)

13

16

16

7

52

1 (1 - 2) Mild

7

2

3

7

19

2 (3 - 10) Moderate

4

5

7

7

23

3 (>10) Severe

1

3

2

4

10

N

25

26

28

25

104