Prior treatment

After treatment

Group

N

Symptom

Group

N

Symptom

0

2

Normal activity

0

10*

Normal activity

1

3

Have symptoms, but can be almost completely normal activity

1

2*

Have symptoms, but can be almost completely normal activity

2

10

Sometimes stay in bed, bed time not more than 50% during the day

2

9*

Sometimes stay in bed, bed time not more than 50% during the day

3

9

Sometimes stay in bed, bed for more than 50% during the day

3

7*

Sometimes stay in bed, bed for more than 50% during the day

4

6

Remain in bed

4

2*

Remain in bed

number

30

Number

30

Effective rate

50%

Effective rate

70%

χ2 value

7.452

P value

0.025