30 days vs. 45 days

30 days vs. 3 months

30 days vs. 6 months

30 days vs. 9 months

N

N

N

N

G1

Improvement

8

11

8

7

8

9

8

12

No reply

10

5

10

7

10

3

10

0

P

0.1854

1

0.1414

0.2543

G2

Improvement

29

38

29

24

29

22

29

25

No reply

23

12

23

21

23

20

23

14

P

0.0382*

0.8403

0.8358

0.5189