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)

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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)

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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)

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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)

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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)

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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)

2020 IR K58afbeelding.png

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

In 2007-2019, 945 (3.1%) primary UKAs were implanted in patients who died within eleven years after the primary diagnosis.