Table 2.

Direct Medical Costs for COPD in Japan in 1999^*

Variables	Total Care, %	Outpatient Care, %	Inpatient Care, %
Physician services	16.3	25.8
Laboratory	8.1	8.7	7.2
Chest radiography	4	4.6	3.2
Medication	18.1	22.8	10.7
Home oxygen therapy	22.9	35.8
Rehabilitation	0.7	0.1	1.7
Hospital admission†	24.2		63.5

^*Source of data is from the Ministry of Health, Labour, and Welfare “Report on the Survey of Medical Care Activities in Public Health Insurance.” Table modified from the study by Izumi.¹⁵

^†Hospital admission fees include the physician services fee.