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Data Quality
Revision within 11 years
Knee » Survival » Revision within 11 years » TKA overall
FIGURE Cumulative revision percentage of total knee arthroplasties by type of revision in the Netherlands in 2007-2019 (n=267,340)
TABLE Cumulative 11-year revision percentage
| Cumulative 11-year revision percentage | ||
| Competing Risk4 (95% CI) | Kaplan Meier (95% CI) | |
| Any type of revision¹ | 6.0 (5.9-6.1) | 6.3 (6.2-6.5) |
| Major revision² | 3.1 (3.0-3.2) | 3.3 (3.2-3.4) |
| Minor revision³ | 2.8 (2.7-2.8) | 2.9 (2.8-3.0) |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
² Revision of at least the femur or tibia component.
³Only insert and/or patella exchange (including patella addition).
TKA: total knee arthroplasty; CI: confidence interval.
© LROI 2020
In 2007-2019, 22,816 (8.5%) primary TKAs were implanted in patients who died within eleven years after the primary diagnosis
Knee » Survival » Revision within 11 years » TKA by gender
FIGURE Cumulative revision percentage of total knee arthroplasties by gender in the Netherlands in 2007-2019 (n=266,847)
TABLE Cumulative 11-year revision percentage
| Cumulative 11-year revision percentage | |||
| Number (n) | Competing Risk1 (95% CI) | Kaplan Meier (95% CI) | |
| Gender | |||
| Men | 92,828 | 6.3 (6.1-6.5) | 6.8 (6.5-7.0) |
| Women | 174,019 | 5.8 (5.7-6.0) | 6.1 (6.0-6.3) |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
CI: confidence interval.
© LROI 2020
Knee » Survival » Revision within 11 years » TKA by age category
FIGURE Cumulative revision percentage of total knee arthroplasties by age category in the Netherlands in 2007-2019 (n=267,061)
TABLE Cumulative 11-year revision percentage
| Cumulative 11-year revision percentage | |||
| Number (n) | Competing Risk1 (95% CI) | Kaplan Meier (95% CI) | |
| Age (years) | |||
| <50 | 6,261 | 14.9 (13.7-16.2) | 15.0 (13.7-16.2) |
| 50-59 | 38,853 | 10.2 (9.8-10.7) | 10.4 (9.9-10.8) |
| 60-69 | 93,840 | 6.6 (6.3-6.8) | 6.8 (6.5-7.0) |
| 70-79 | 95,364 | 4.3 (4.1-4.5) | 4.6 (4.4-4.8) |
| ≥80 | 32,743 | 2.4 (2.2-2.6) | 2.6 (2.3-2.8) |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
CI: confidence interval.
© LROI 2020
Knee » Survival » Revision within 11 years » TKA by diagnosis
FIGURE Cumulative revision percentage of total knee arthroplasties by diagnosis in the Netherlands in 2007-2019 (n=264,856)
TABLE Cumulative 11-year revision percentage
| Cumulative 11-year revision percentage | |||
| Number (n) | Competing Risk1 (95% CI) | Kaplan Meier (95% CI) | |
| Diagnosis | |||
| Osteoarthritis | 254,808 | 5.9 (5.8-6.1) | 6.3 (6.1-6.4) |
| Other | 10,048 | 7.5 (6.8-8.3) | 8.1 (7.3-9.0) |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
CI: confidence interval.
© LROI 2020
Knee » Survival » Revision within 11 years » TKA by ASA score
FIGURE Cumulative revision percentage of total knee arthroplasties by ASA score in the Netherlands in 2007-2019 (n=258,027)
TABLE Cumulative 11-year revision percentage
| Cumulative 11-year revision percentage | |||
| Number (n) | Competing Risk1 (95% CI) | Kaplan Meier (95% CI) | |
| ASA score | |||
| I | 43,325 | 7.0 (6.7-7.3) | 7.2 (6.9-7.5) |
| II | 172,220 | 5.8 (5.6-6.0) | 6.1 (5.9-6.3) |
| III-IV | 42,482 | 5.5 (5.2-5.8) | 6.0 (5.6-6.4) |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
CI: confidence interval.
© LROI 2020
Knee » Survival » Revision within 11 years » UKA overall
FIGURE Cumulative revision percentage of unicondylar knee arthroplasties of patients who underwent a UKA for osteoarthritis in the Netherlands in 2007-2019 (n=30,041)
TABLE Cumulative 11-year revision percentage of UKAs
| Cumulative 11-year revision percentage | ||
| Competing Risk4 (95% CI) | Kaplan Meier (95% CI) | |
| Any type of revision¹ | 14.2 (13.5-15.0) | 14.8 (14.0-15.5) |
| Major revision² | 12.1 (11.5-12.9) | 12.6 (11.9-13.4) |
| Minor revision³ | 1.9 (1.7-2.2) | 2.0 (1.8-2.2) |
¹ The cumulative revision percentage using the competing risk method is shown in the figure.
² Revision of at least the femur or tibia component.
³Only insert and/or patella exchange (including patella addition).
UKA: unicondylarl knee arthroplasty; CI: confidence interval.
© LROI 2020