Treatment

First

Number

6 months

Number

P value

Observation

9.2 ± 5.8

80

^*

0

^*

Nasal drugs

8.5 ± 4.2

20

5.0 ± 3.1

20

0.006

Tonsillectomy

10.6 ± 1.5

20

3.1 ± 3.0

20

<0.001

Adenotomy + Tonsillectomy

4.3 ± 1.5

4

1.3 ± 1.9

4

0.035

Oral appliance

12.5 ± 2.1

21

4.3 ± 3.8

21

<0.001

Sinus surgery

8.5 ± 5.3

6

3.1 ± 2.3

6

^*

nCPAP

(Good compliance)

12.5 ± 4.6

105

3.1 ± 1.3

105

<0.001

(Bad compliance + Drop out)

9.8 ± 4.9

50

9.6 ± 3.7

50

0.653