Table 5

Effect of CPAP treatment on economic consequences for patients with a diagnosis of snoring and sleep apnoea

	No observed years	In-hospital costs		Outpatient costs		Drug treatment		Primary health and private practice specialists		Social security		Labour market income
	No observed years	Before	After	Before	After	Before	After	Before	After	Before	After	Before	After
Snorers
Controls	257 397	466	602*	142	194*	218	252*	183	199*	3864	4243*	29 833	29 675*
No treatment	40 615	746	856*	260	326*	347	393*	278	302*	3956	4388*	30 162	29 750*
Patients who returned for CPAP within 2 years	214	457	1092**	249	606	553	598	316	313	4928	6087*	26 712	26 088
CPAP treatment	300	1257	933	350	378	583	682*	301	321	4461	5373*	28 517	27 111

Sleep apnoea
Controls	409 046	551	714*	149	210*	253	292*	188	207*	4422	4894*	27 728	26 971*
No treatment	57 015	1299	1533*	297	396*	525	601*	334	366*	5454	6018*	24 998	23 916*
Patients who returned for CPAP within 2 years	814	845	1269**	332	441**	645	711**	357	348	5536	6467*	25 318	24 141**
CPAP treatment	1415	1891	1994	492	516	819	845	425	452**	6247	7241*	23 588	21 619*

*p<0.001, **p<0.05 (paired t test).
Obesity hypoventilation syndrome is not included as the number of observations is too small for a valid statistical analysis.
All costs are presented in euros adjusted to 2006 price levels.
CPAP, continuous positive airway pressure.