Protocol

Low

Moderate

Intense

Total

p

Pr1

1

13

35.14%

2.70%

23

62.16%

37

<0.0001

Pr2

4

19

45.24%

9.52%

19

45.24%

42

Pr3

3

15

33.33%

6.67%

27

60.00%

45

Pr4

26

13

31.71%

63.41%

2

4.88%

41