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Data Quality
Revision within 1 and 3 years
Knee » Survival TKA» Revision within 1 and 3 years » By type of revision within 1 year
TABLE Cumulative 1-year revision percentage of primary total knee arthroplasties by type of revision in the Netherlands in 2017-2021 (n=117,934)
Cumulative 1-year revision percentage | |
Kaplan Meier (95% CI) | |
Any type of revision¹ | 1.0 (1.0-1.1) |
Major revision² | 0.3 (0.2-0.3) |
Only femur | 0.0 (0.0-0.1) |
Only tibia | 0.1 (0.0-0.1) |
Femur and tibia | 0.2 (0.1-0.2) |
Minor revision³ | 0.7 (0.7-0.8) |
DAIR | 0.5 (0.4-0.5) |
No DAIR | 0.2 (0.2-0.2) |
Patella addition | 0.1 (0.0-0.1) |
¹ Any type of revision includes minor and major revisions as well as revision procedures that could not be classified as minor or major revision.
² Revision of at least the femur or tibia component.
³ Only insert and/or patella exchange (including DAIR procedures).
TKA: total knee arthroplasty; CI: confidence interval.
© LROI 2023
In 2017-2021, 895 (0.8%) primary TKAs were implanted in patients who died within one year after the primary procedure.
Knee » Survival TKA» Revision within 1 and 3 years » By type of revision within 3 years
TABLE Cumulative 3-year revision percentage of primary total knee arthroplasties by type of revision in the Netherlands in 2015-2019 (n=125,934)
Cumulative 3-year revision percentage | |
Kaplan Meier (95% CI) | |
Any type of revision¹ | 3.3 (3.2-3.4) |
Major revision² | 1.3 (1.3-1.4) |
Only femur | 0.1 (0.1-0.2) |
Only tibia | 0.3 (0.2-0.3) |
Femur and tibia | 0.9 (0.9-1.0) |
Minor revision³ | 1.9 (1.8-2.0) |
DAIR | 0.5 (0.5-0.6) |
No DAIR | 0.8 (0.8-0.9) |
Patella addition | 0.6 (0.5-0.6) |
¹ Any type of revision includes minor and major revisions as well as revision procedures that could not be classified as minor or major revision.
² Revision of at least the acetabulum or femur component.
³ Only insert and/or patella exchange (including DAIR procedures).
TKA: total knee arthroplasty; CI: confidence interval.
© LROI 2023
In 2015-2019, 3,954 (3.1%) primary TKAs were implanted in patients who died within three years after the primary procedure.
Knee » Survival TKA» Revision within 1 and 3 years » First major or minor revision
TABLE Cumulative 3-year first revision percentage of primary total knee arthroplasties by type of first major or first minor revision in the Netherlands in 2015-2019 (n=1125,934)
Cumulative 3-year first revision percentage | |
Kaplan Meier (95% CI) | |
First major revision¹ | 1.5 (1.4-1.5) |
Femur | 1.2 (1.1-1.3) |
Tibia | 1.3 (1.3-1.4) |
First minor revision² | 1.9 (1.8-2.0) |
Insert | 1.3 (1.2-1.4) |
Patella | 0.9 (0.8-0.9) |
¹ First revision of the femur or tibia component, regardless of whether a minor revision has already taken place. Therefor, the first three revision procedures were reviewed.
² Only insert and/or patella exchange (including DAIR procedures).
TKA: total knee arthroplasty; CI: confidence interval.
© LROI 2023
In 2015-2019, 3,954 (3.1%) primary TKAs were implanted in patients who died within three years after the primary procedure.
Knee » Survival TKA» Revision within 1 and 3 years » Overall revision per hospital
FIGURE Funnel plot of proportion of knee revision arthroplasties within three years after a total knee arthroplasty per hospital in the Netherlands in 2015-2019 (n=125,934)
Please note: The proportion of revisions within 3 years per hospital were adjusted for casemix factors age, gender, ASA score and diagnosis (osteoarthritis versus other).
TKA: total knee arthroplasty; CL: control limits; CI: confidence interval.
The mean 3-year revision percentage is 3.3 (95% CI: 3.2-3.4 ) in the Netherlands in 2015-2019.
Control limits indicate the plausible range of outcome if all hospitals perform equally well.
Knee » Survival TKA» Revision within 1 and 3 years » Major revision per hospital
FIGURE Funnel plot of proportion of knee major revision arthroplasties within three years after a total knee arthroplasty per hospital in the Netherlands in 2015-2019 (n=125,934)
Please note: Major revision is defined as revision of at least femur or tibia component.
Please note: The proportion of revisions within 3 years per hospital were adjusted for casemix factors age, gender, ASA score and diagnosis (osteoarthritis versus other).
TKA: total knee arthroplasty; CL: control limits; CI: confidence interval.
The mean 3-year major revision percentage is 1.3 (95% CI: 1.3-1.4) in the Netherlands in 2015-2019.
Control limits indicate the plausible range of outcome if all hospitals perform equally well.
Knee » Survival TKA» Revision within 1 and 3 years » Reasons for revision by type of revision
TABLE Reasons for revision within three years of primary total knee arthroplasties by type of revision in the Netherlands in 2015-2019
Major revision¹ (n=1,858) | Minor revision² (n=2,400) | Any type of revision³ (n=4,176) | |
Reasons for revision | Proportion4 (%) | Proportion4 (%) | Proportion4 (%) |
Patellar pain | 8.0 | 39.8 | 27.0 |
Instability | 32.2 | 23.0 | 26.7 |
Infection | 21.5 | 28.7 | 24.1 |
Loosening of tibia component | 32.1 | 0.6 | 14.1 |
Malalignment | 26.6 | 1.6 | 12.3 |
Arthrofibrosis | 10.0 | 7.0 | 8.4 |
Loosening of femur component | 8.1 | 0.3 | 3.6 |
Patellar dislocation | 3.8 | 4.3 | 4.0 |
Periprosthetic fracture | 4.6 | 0.2 | 2.2 |
Revision after knee removal | 3.5 | 0.3 | 1.3 |
Insert wear | 0.3 | 1.5 | 1.0 |
Loosening of patella component | 0.6 | 0.8 | 0.7 |
Progression of osteoarthritis | 0.2 | 0.7 | 0.5 |
Other | 6.8 | 9.8 | 8.7 |
¹ First revision of the femur or tibia component, regardless of whether a minor revision has already taken place. Therefor, the first three revision procedures were reviewed.
² Only insert and/or patella exchange (including DAIR procedures).
³ Any type of revision includes all first revisions, including revision procedures that could not be classified as minor or major revision.
4 One patient may have more than one reason for revision. As such, the total proportion is over 100%.
© LROI 2023
Knee » Survival TKA» Revision within 1 and 3 years » Time after primary TKA
TABLE Time after primary total knee arthroplasty until short-term revision in the Netherlands in 2015-2019 (n=125,934)
Time after primary TKA | Percentage revisions (%) |
Day 0-29 | 0.3 |
Day 30-182 | 0.4 |
Day 183-364 | 0.5 |
Day 365-730 (second year) | 1.4 |
Day 731-1095 (third year) | 0.8 |
TKA: total knee arthroplasty.
© LROI 2023