|
Characteristics
|
Total
|
Inpatient
|
Outpatient
|
|---|
|
Knee OA
|
Knee meniscal and ligament injury
|
Knee OA
|
Knee meniscal and ligament injury
|
Knee OA
|
Knee meniscal and ligament injury
|
|---|
|
N = 48,321
|
%
|
N = 19,136
|
%
|
N = 3084
|
%
|
N = 2434
|
%
|
N = 48,000
|
%
|
N = 18,540
|
%
|
|---|
|
Age (years)
|
< 20
|
243
|
0.50
|
4290
|
22.42
|
1
|
0.03
|
272
|
11.18
|
242
|
0.50
|
4252
|
22.93
|
|
20~29
|
457
|
0.95
|
2665
|
13.93
|
11
|
0.36
|
411
|
16.89
|
450
|
0.94
|
2592
|
13.98
|
|
30~39
|
890
|
1.84
|
2488
|
13.00
|
38
|
1.23
|
359
|
14.75
|
877
|
1.83
|
2415
|
13.03
|
|
40~49
|
3812
|
7.89
|
3131
|
16.36
|
199
|
6.45
|
470
|
19.31
|
3758
|
7.83
|
3032
|
16.35
|
|
50~59
|
12,856
|
26.61
|
3542
|
18.51
|
772
|
25.03
|
539
|
22.14
|
12,736
|
26.53
|
3387
|
18.27
|
|
60~69
|
14,790
|
30.61
|
1865
|
9.75
|
960
|
31.13
|
251
|
10.31
|
14,729
|
30.69
|
1777
|
9.58
|
|
≥ 70
|
15,273
|
31.61
|
1155
|
6.04
|
1103
|
35.77
|
132
|
5.42
|
15,208
|
31.68
|
1085
|
5.85
|
|
Sex
|
Male
|
13,141
|
27.20
|
10,445
|
54.58
|
546
|
17.70
|
1438
|
59.08
|
13,054
|
27.20
|
10,171
|
54.86
|
|
Female
|
35,180
|
72.80
|
8691
|
45.42
|
2538
|
82.30
|
996
|
40.92
|
34,946
|
72.80
|
8369
|
45.14
|
|
Insurance typea
|
NHI
|
45,183
|
93.51
|
18,483
|
96.59
|
2853
|
92.51
|
2356
|
96.80
|
44,879
|
93.50
|
17,912
|
96.61
|
|
MD
|
3234
|
6.69
|
651
|
3.40
|
230
|
7.46
|
74
|
3.04
|
3215
|
6.70
|
625
|
3.37
|
|
VH
|
135
|
0.28
|
21
|
0.11
|
11
|
0.36
|
6
|
0.25
|
133
|
0.28
|
19
|
0.10
|
|
Medical institution typeb
|
Clinic
|
36,731
|
76.01
|
13,343
|
69.73
|
592
|
19.20
|
590
|
24.24
|
36,570
|
76.19
|
13,115
|
70.74
|
|
Hospital
|
12,925
|
26.75
|
4814
|
25.16
|
1816
|
58.88
|
1263
|
51.89
|
12,616
|
26.28
|
4452
|
24.01
|
|
GH
|
5371
|
11.12
|
2053
|
10.73
|
646
|
20.95
|
569
|
23.38
|
5251
|
10.94
|
1872
|
10.10
|
|
TH
|
1801
|
3.73
|
437
|
2.28
|
243
|
7.88
|
129
|
5.30
|
1774
|
3.70
|
408
|
2.20
|
|
LCH
|
621
|
1.29
|
85
|
0.44
|
176
|
5.71
|
25
|
1.03
|
457
|
0.95
|
65
|
0.35
|
|
PHC
|
407
|
0.84
|
21
|
0.11
|
2
|
0.06
|
–
|
–
|
407
|
0.85
|
21
|
0.11
|
|
KMH
|
126
|
0.26
|
59
|
0.31
|
80
|
2.59
|
34
|
1.40
|
50
|
0.10
|
26
|
0.14
|
|
Medical specialtyc
|
OS
|
43,654
|
90.34
|
17,056
|
89.13
|
2852
|
92.48
|
2304
|
94.66
|
43,379
|
90.37
|
16,486
|
88.92
|
|
AN
|
3108
|
6.43
|
300
|
1.57
|
32
|
1.04
|
11
|
0.45
|
3083
|
6.42
|
293
|
1.58
|
|
GS
|
2350
|
4.86
|
588
|
3.07
|
91
|
2.95
|
56
|
2.30
|
2281
|
4.75
|
554
|
2.99
|
|
NS
|
1957
|
4.05
|
493
|
2.58
|
76
|
2.46
|
27
|
1.11
|
1899
|
3.96
|
470
|
2.54
|
|
IM
|
1888
|
3.91
|
428
|
2.24
|
50
|
1.62
|
23
|
0.94
|
1846
|
3.85
|
410
|
2.21
|
|
RM
|
1532
|
3.17
|
354
|
1.85
|
166
|
5.38
|
53
|
2.18
|
1408
|
2.93
|
323
|
1.74
|
|
FM
|
1656
|
3.43
|
220
|
1.15
|
110
|
3.57
|
26
|
1.07
|
1563
|
3.26
|
195
|
1.05
|
|
RD
|
258
|
0.53
|
295
|
1.54
|
1
|
0.03
|
1
|
0.04
| | | | |
|
ER
|
101
|
0.21
|
451
|
2.36
|
1
|
0.03
|
4
|
0.16
| | | | |
|
GP
|
326
|
0.67
|
19
|
0.10
|
1
|
0.03
|
1
|
0.04
| | | | |
|
Otherd
|
470
|
0.97
|
93
|
0.49
| | | | | | | | |
-
OA Osteoarthritis
-
aNHI, National Health Insurance; MD, Medicaid; VH, Veteran Healthcare
-
bGH, General Hospital; TH, Tertiary Hospital; LCH, Long-term Care Hospital; PHC, Public Health Center; KMH, Korean Medicine Hospital
-
cOS, Orthopedic surgery; AN, Anesthesiology; GS, General Surgery; NS, Neurosurgery; IM, Internal Medicine; RM, Rehabilitation Medicine; FM, Family Medicine; RD, Radiology; EM, Emergency Medicine; GP, General Physician
-
dIncluding Neurology, Thoracic and Cardiovascular Surgery, Pediatrics, Obstetrics and Gynecology, Urology, and Neuropsychiatry
