Table 1.

Consort statement describing subject flow

	Number of patients
Eligible for inclusion	142
Parents accepting participation	34
First polysomnography	34
Drop-outs	6
Acute disease at 2nd polysomnography	2
Refusal of second polysomnography	2
Poor technical quality of the second recording	1
Werdnig-Hoffman myopathy	1
Second polysomnography	28
Osteopathy	15
Non-specific treatment	13