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Data Quality
Rerevision
Knee » Survival » Rerevision » Overall second revision
FIGURE Cumulative second revision percentage of total knee arthroplasty after a one-stage first revision in the Netherlands in 2007-2019 (n=7,523)
TABLE Cumulative second revision percentages
| Competing Risk¹ (95% CI) | Kaplan Meier (95% CI) | |
| 1-year second revision (%) | 5.2 (4.7-5.8) | 5.2 (4.7-5.7) |
| 3-year second revision (%) | 11.0 (10.2-11.8) | 11.1 (10.3-11.9) |
| 5-year second revision (%) | 13.6 (12.7-14.6) | 13.9 (12.9-14.8) |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
One-stage revision: A single revision procedure to change (insertion, replacement and/or removal) one or more components of the prosthesis (excluding patella addition).
CI: confidence interval.
© LROI 2021
Knee » Survival » Rerevision » By type of first revision
FIGURE Cumulative second revision percentage of total knee arthroplasty after a one-stage first revision by type of first revision in the Netherlands in 2007-2019 (n=7,252)
TABLE Cumulative second revision percentages
| Number (n) | Competing Risk¹ (95% CI) | Kaplan Meier (95% CI) | |
| Major first revision | 4,178 | ||
| 1-year second revision (%) | 2.4 (2.0-3.0) | 2.4 (1.9-2.9) | |
| 3-year second revision (%) | 6.4 (5.6-7.3) | 6.5 (5.6-7.3) | |
| 5-year second revision (%) | 8.8 (7.8-9.9) | 9.0 (7.9-10.0) | |
| Minor first revision | 3,074 | ||
| 1-year second revision (%) | 8.6 (7.7-9.7) | 8.6 (7.6-9.6) | |
| 3-year second revision (%) | 16.7 (15.3-18.2) | 17.0 (15.5-18.5) | |
| 5-year second revision (%) | 19.8 (18.1-21.6) | 20.3 (18.5-22.1) | |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
One-stage revision: A single revision procedure to change (insertion, replacement and/or removal) one or more components of the prosthesis (excluding patella addition).
Major revision: revision of at least the femur or tibia component.
Minor revision: only insert and/or patella exchange (excluding patella addition).
CI: confidence interval.
© LROI 2021
Knee » Survival » Rerevision » By time to first revision
FIGURE Cumulative second revision percentage of total knee arthroplasty after a one-stage first revision by time to first revision in the Netherlands in 2007-2019 (n=6,500)
TABLE Cumulative second revision percentages
| Number (n) | Competing Risk¹ (95% CI) | Kaplan Meier (95% CI) | |
| First revision within 1 year | 2,031 | ||
| 1-year second revision (%) | 10.6 (9.3-12.1) | 10.5 (9.2-11.9) | |
| 3-year second revision (%) | 16.4 (14.7-18.2) | 16.5 (14.8-18.3) | |
| 5-year second revision (%) | 18.0 (16.2-20.0) | 18.3 (16.4-20.2) | |
| First revision within 1-3 years | 3,380 | ||
| 1-year second revision (%) | 3.3 (2.7-3.9) | 3.2 (2.6-3.8) | |
| 3-year second revision (%) | 9.4 (8.4-10.6) | 9.5 (8.4-10.6) | |
| 5-year second revision (%) | 12.6 (11.4-14.1) | 12.9 (11.5-14.2) | |
| First revision within 3-5 years | 1,089 | ||
| 1-year second revision (%) | 3.5 (2.6-4.9) | 3.4 (2.3-4.6) | |
| 3-year second revision (%) | 8.1 (6.5-10.2) | 8.2 (6.4-10.1) | |
| 5-year second revision (%) | 11.0 (8.9-13.7) | 11.3 (8.9-13.8) | |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
One-stage revision: A single revision procedure to change (insertion, replacement and/or removal) one or more components of the prosthesis (excluding patella addition).
CI: confidence interval.
© LROI 2021
Knee » Survival » Rerevision » Reasons for second revision by type of first revision
TABLE Reasons for second revision within five years in patients who underwent a second revision after a one-stage first revision of a total knee arthroplasty by type of first revision in the Netherlands in 2007-2019
| Major first revision¹ (n=264) | Minor first revision² (n=461) | Any type of first revision³ (n=773) | |
| Reasons for second revision | Proportion4 (%) | Proportion4 (%) | Proportion4 (%) |
| Infection | 26.1 | 44.5 | 38.1 |
| Instability | 28.0 | 27.8 | 27.4 |
| Loosening of tibia component | 20.8 | 13.9 | 16.6 |
| Patellar pain | 14.4 | 9.8 | 11.8 |
| Malalignment | 7.6 | 10.4 | 9.7 |
| Loosening of femur component | 12.5 | 3.9 | 7.5 |
| Arthrofibrosis | 6.8 | 5.4 | 6.1 |
| Patellar dislocation | 4.2 | 4.3 | 4.0 |
| Loosening of patella component | 1.1 | 1.5 | 1.6 |
| Insert wear | 0.4 | 1.5 | 1.2 |
| Periprosthetic fracture | 0.8 | 0.7 | 0.6 |
| Progression of osteoarthritis | 0.0 | 0.2 | 0.1 |
| Other | 9.8 | 6.1 | 7.4 |
¹ Revision of at least the femur or tibia component.
² Only insert and/or patella exchange.
³ Any type of revision includes minor and major revisions as well as revision procedures that could not be classified as minor or major revision.
4 One patient may have more than one reason for revision or re-surgery. As such, the total proportion is over 100%.
One-stage revision: A single revision procedure to change (insertion, replacement and/or removal) one or more components of the prosthesis (excluding patella addition).
© LROI 2021