Analysis of medical service use of knee osteoarthritis and knee meniscal and ligament injuries in Korea: a cross-sectional study of national patient sample data

Table 1 General medical service use and expenses for knee osteoarthritis and knee meniscal and ligament injury in Korea

Visit type	Diagnostic groups	Number of patients	Total expense^a	Expense-per-patient^a	Days of treatment^b	Number of visits^c
Total	Knee OA	48,321	24,526,738,820	507,579.3	11.0	9.1
Total	Knee meniscal and ligament injury	19,136	5,800,760,680	303,133.4	5.8	4.7
Outpatients	Knee OA	48,000	10,758,908,490	224,143.9	8.7	7.8
Outpatients	Knee meniscal and ligament injury	18,540	1,660,439,710	89,559.9	3.4	3.2
Inpatients	Knee OA	3084	13,767,830,330	4,464,277.0	36.4	22.2
Inpatients	Knee meniscal and ligament injury	2434	4,140,320,970	1,701,035.7	20.1	12.3

OA Osteoarthritis
^aDisplayed in KRW; 1 USD = 1104 KRW (as of September 30th, 2016)
^bThe total days of treatment indicated in the claims statement including drug prescription days without medical treatment
^cThe number of outpatient visits or the number of inpatient care days of the patient indicated in the claims statement

ISSN: 1471-2474