Table 6

Repeated measures analysis between effects for patient and treatment groups and cost categories shown in table 5

	In-hospital costs	Outpatient costs	Drug treatment	Primary health and private practice specialists	Social security	Labour market income
	p Value	p Value	p Value	p Value	p Value	p Value
Snorers
Control vs no treatment	<0.0001	<0.0001	<0.0001	<0.0001	0.0001	0.756
Control vs CPAP	<0.0001	<0.0001	<0.0001	<0.0001	0.1648	0.3468
Control vs return CPAP	0.4247	0.001	<0.0001	<0.0001	0.2619	0.5184
No treatment vs CPAP	0.0043	0.1143	<0.0001	0.1605	0.2684	0.3594
No treatment vs return CPAP	0.6945	0.248	0.004	0.0716	0.3731	0.531
CPAP vs return CPAP	0.0338	0.9119	0.0787	0.6161	0.9881	0.9217
Sleep apnoea
Control vs no treatment	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Control vs CPAP	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	0.0002
Control vs return CPAP	0.1128	<0.0001	<0.0001	<0.0001	<0.0001	0.3736
No treatment vs CPAP	<0.0001	<0.0001	<0.0001	<0.0001	0.0039	0.5408
No treatment vs return CPAP	0.0019	0.2414	0.0036	0.8532	0.1976	0.128
CPAP vs return CPAP	<0.0001	0.0218	0.0131	<0.0001	0.4507	0.1129

Significance levels refer to the relative changes 2 years before and after diagnosis for the tested groups and cost categories.
CPAP, continuous positive airway pressure.