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Numbers
Knee » Numbers » Registered procedures 2007-2019
TABLE Number of registered knee arthroplasties per year of surgery (2007-2019) in the LROI in May 2019
| Type of knee arthroplasty | |||||||
| Year of surgery | Total arthroplasty (n) | Unicondylar arthroplasty (n) | Patellofemoral arthroplasty (n) | Other (n) | Unknown/ missing (n) | Revision arthroplasty (n) | Total (n) |
| 2007 | 7,037 | 773 | 47 | 42 | 840 | 595 | 9,334 |
| 2008 | 11,749 | 1,212 | 92 | 61 | 353 | 908 | 14,375 |
| 2009 | 16,790 | 1,548 | 139 | 62 | 113 | 1,300 | 19,952 |
| 2010 | 18,509 | 1,717 | 143 | 78 | 163 | 1,624 | 22,234 |
| 2011 | 19,521 | 1,586 | 116 | 80 | 127 | 1,794 | 23,224 |
| 2012 | 21,718 | 1,578 | 172 | 91 | 172 | 2,116 | 25,847 |
| 2013 | 22,309 | 1,804 | 135 | 28 | 178 | 2,310 | 26,764 |
| 2014 | 24,243 | 2,364 | 116 | 26 | 92 | 2,557 | 29,398 |
| 2015 | 24,245 | 2,692 | 157 | 10 | 39 | 2,685 | 29,828 |
| 2016 | 24,887 | 2,947 | 144 | 5 | 94 | 2,926 | 31,003 |
| 2017 | 25,556 | 3,662 | 168 | 17 | 24 | 2,997 | 32,424 |
| 2018 | 25,843 | 4,073 | 183 | 10 | 14 | 2,931 | 33,054 |
| 2019 | 25,859 | 4,888 | 175 | 26 | 20 | 3,069 | 34,037 |
| Total | 268,266 | 30,844 | 1,787 | 536 | 2,229 | 27,812 | 331,474 |
© LROI 2020
The LROI is nearly complete as of 2010. Therefore, a dotted line was inserted between 2009 and 2010.
Knee » Numbers » Type of procedures 2010-2019
FIGURE Number of primary knee arthroplasties and knee revision arthroplasties registered in the LROI in the Netherlands in 2010-2019
Year
Total
Type of procedure (n)
Primary knee
20,610
21,430
23,731
24,454
26,841
27,143
28,077
29,427
30,123
30,968
262,804
Knee revision
1,624
1,794
2,116
2,310
2,557
2,685
2,926
2,997
2,931
3,069
25,009
Total:
22,234
23,224
25,847
26,764
29,398
29,828
31,003
32,424
33,054
34,037
287,813
© LROI 2020
Out of 30,968 primary knee arthroplasties that were performed in 2019,
3% (n=981) was performed bilaterally.
Knee » Numbers » Type of procedure per hospital
Knee » Numbers » Type of procedure by type of hospital
FIGURE Primary knee arthroplasties and knee revision arthroplasties (proportion [%] per category) by type of hospital in the Netherlands in 2019
Type of hospital
Type of procedure (%)
Primary knee
91.03
65.94
94.88
90.98
90.98
Knee revision
8.97
34.06
5.12
9.02
9.02
Total (n):
28,208
4,998
34,037
831
Please note: In 2019, 67 general hospitals, 7 UMCs and 17 private hospitals performed knee arthroplasties.
General: general hospital; UMC: university medical centre; Private: private hospital.
© LROI 2020
Knee » Numbers » Type of primary knee prosthesis by type of hospital
FIGURE Type of hospital (proportion [%] per catergory) by type of primary knee arthroplasty in the Netherlands in 2019
Type of primary KA
Type of hospital (%)
General
84.30
76.00
82.86
82.98
82.98
UMC
1.96
0.53
1.14
1.73
1.73
Private
13.74
23.47
16.00
15.29
15.29
Total (n):
175
25,859
30,922
4,888
Please note: In 2019, 26 (0.08%) primary knee arthroplasties were registered in the LROI as other type of primary knee arthroplasty. Of 20 (0.06%) primary knee arthroplasties, the type of prosthesis was not registered.
KA: knee arthroplasty; TKA: total knee arthroplasty; UKA: unicondylar knee arthroplasty; PKA: patellofemoral knee arthroplasty.
General: general hospital; UMC: university medical centre; Private: private hospital.
© LROI 2020
Knee » Numbers » Type of primary knee prosthesis by age category
FIGURE Type of primary knee arthroplasty (proportion [%] per category) of patients who underwent a primary knee arthroplasty by age category in the Netherlands in 2019
Age category
Type of primary knee arthroplasty (%)
TKA
65.32
71.90
81.47
88.42
93.71
83.55
83.55
UKA
26.09
26.26
18.19
11.39
6.17
15.80
15.80
PKA
8.08
1.65
0.29
0.13
0.06
0.57
0.57
Other
0.51
0.19
0.05
0.06
0.06
0.08
0.08
Total (n):
594
3,163
4,730
10,850
11,607
30,944
KA: knee arthroplasty; TKA: total knee arthroplasty; UKA: unicondylar knee arthroplasty; PKA: patellofemoral knee arthroplasty.
© LROI 2020