24 hours

48 hours

Mann Whitney test

Median

IQR

Median

IQR

U

p value

Total score of Katz index

day 1

6

6 - 6

6

6 - 6

0.41

0.682

day 3

6

6 - 6

6

6 - 6

−0.21

0.853

day 5

6

6 - 6

6

6 - 6