Day I

Day II

Cooling

N = 54

No cooling

N = 54

p-value

Cooling

N = 54

No cooling N = 54

p-value

Self sufficiency at home

45

38

ns

54

42

ns

Difficulties walking

10

18

0.07

0

11

0.5

Difficulties sitting down

11

20

0.5

3

12

0.01

Difficulties standing up

11

18

ns

2

9

0.02

Difficulties climbing stairs

14

29

0.01

7

24

0.01

Working capability

12

4

0.01

29

14

0.01

Difficulties driving a car

Non authorized

6/38

12/42

0.01

Difficulties with exercise

14

37

0.01

9

20

0.01