Table 3.

Incremental direct health care costs associated with sleep disorders in the United States in 2018.

Expenditure or Utilization Measure	Without SD		With SD		Difference		P Value
	Mean	SE	Mean	SE	Mean	SE
Total health care expense ($)	11,063	393	18,038	908	6,975	800	< .001
Total office-based expenditures ($)	2,268	114	3,962	310	1,694	277	< .001
Total prescription expenditures ($)	3,433	140	6,007	390	2,574	364	< .001
Total self-expenditures for prescription ($)	331	21	526	36	195	32	< .001

SD = sleep disorder, SE = standard error of the national estimate.