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NJR STRUCTURE & GOVERNANCE

ANNUAL REPORT 2024

Chairman’s Foreword 2024Introduction to Annual Report 2024Executive Summary

WELSH TRANSLATION

WORK - ANNUAL PROGRESS

Data Completeness and QualityWork of the NJR committeesDevelopments

HIPS

All Procedures - ActivityPrimary Procedures - Patient CharacteristicsPrimary Procedures - Surgical TechniquePrimary Procedures - ComponentsRevision Procedures - Patient CharacteristicsRevision Procedures - Components

KNEES

All Procedures - ActivityPrimary Procedures - Patient CharacteristicsPrimary Procedures - Surgical TechniquePrimary Procedures - ComponentsRevision Procedures - Patient Characteristics

ANKLES

All Procedures - ActivityPrimary Procedures - Patient CharacteristicsPrimary Procedures - Surgical TechniquesPrimary Procedures - ComponentsRevision Procedures

ELBOWS

Primary Procedures - ActivityPrimary Procedures - Patient CharacteristicsPrimary Procedures - Surgical TechniquesPrimary Procedures - Elbow ComponentsRevision Procedures

SHOULDERS

Primary Procedures - ActivityPrimary Procedures - Patient CharacteristicsPrimary Procedures - Surgical TechniquePrimary Procedures - Shoulder ComponentsRevision Procedures

ALL JOINTS
 

All Procedures - Activity

2023 INTERACTIVE REPORTS

HOSPITAL PERFORMANCE

IMPLANT PERFORMANCE

DOWNLOADS

PREVIOUS NJR ANNUAL REPORTS


20th Annual Report
published Sept 2023


19th Annual Report
published Sept 2022


18th Annual Report
published Sept 2021


17th Annual Report
published Sept 2020


16th Annual Report
published Sept 2019


15th Annual Report
published Sept 2018

14th Annual Report
published Sept 2017

13th Annual Report
published Sept 2016

12th Annual Report
published Sept 2015

11th Annual Report
published Sept 2014

Patient characteristics for knee revision procedures

  • SUMMARY
  • CHART AND TABLE

The table shows the average age, gender, and physical status of patients undergoing revision knee surgery.  It also includes the indications for revision.  Please note that more than one indication for revision can be reported for each procedure.

The American Society of Anesthesiologists (ASA) classification is used for Patient Physical Status.

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Patient characteristics for knee revision procedures in 2022, according to procedure type.
 
Knee single stage revision
Knee stage one of two-stage revision
Knee stage two of two-stage revision
Knee conversion to arthrodesis
Knee amputation
Debridement and Implant Retention (DAIR)
Total
Total knee revision procedures
No.
%
No.
%
No.
%
No.
%
No.
%
No.
%
No.
%
4,260
74%
522
9%
415
7%
15
<1%
17
<1%
511
9%
5,740
 
Total with patient data
4,120
97%
502
96%
403
97%
14
93%
17
100%
485
95%
5,541
97%
Average age
71.72
 
70.64
 
70.45
 
72.55
 
70.65
 
71.14
 
71.19
 
SD
10.04
 
9.77
 
9.38
 
9.90
 
10.05
 
10.60
 
10.27
 
Interquartile range
64.69-78.78
 
63.77-77.86
 
63.78-76.44
 
63.26-80.88
 
65.13-74.95
 
63.63-79.08
 
64.52-79.04
 
Gender
       
Female
2,360
57%
198
39%
158
39%
8
57%
7
41%
195
40%
2,926
53%
Male
1,760
43%
304
61%
245
61%
6
43%
10
59%
290
60%
2,615
47%
Patient physical status
              
P1 - Fit and healthy
159
4%
6
1%
12
3%
-
0%
-
0%
9
2%
186
3%
P2 - Mild disease not incapacitating
2,412
57%
209
40%
189
46%
3
20%
5
29%
216
42%
3,034
53%
P3 - Incapacitating systemic disease
1,582
37%
274
52%
204
49%
9
60%
9
53%
259
51%
2,337
41%
P4 and P5
107
3%
33
6%
10
2%
3
20%
3
18%
27
5%
183
3%
Indication for surgery
              
Aseptic loosening
1,918
45%
51
10%
32
8%
1
7%
1
6%
6
1%
2,009
35%
Infection
225
5%
474
91%
345
83%
13
87%
17
100%
454
89%
1,528
27%
Progressive arthritis remaining knee
1,046
25%
8
2%
11
3%
-
0%
-
0%
4
1%
1,069
19%
Instability
765
18%
22
4%
15
4%
-
0%
-
0%
6
1%
808
14%
Lysis
587
14%
59
11%
34
8%
1
7%
1
6%
2
<1%
684
12%
Wear polyethylene component
624
15%
8
2%
10
2%
-
0%
-
0%
3
1%
645
11%
Periprosthetic fracture
405
10%
10
2%
7
2%
-
0%
2
12%
1
<1%
425
7%
Malalignment
242
6%
3
1%
3
1%
-
0%
-
0%
1
<1%
249
4%
Unexplained pain
223
5%
6
1%
4
1%
-
0%
-
0%
5
1%
238
4%
Dislocation/subluxation
214
5%
7
1%
1
<1%
2
13%
1
6%
4
1%
229
4%
Stiffness
202
5%
10
2%
5
1%
-
0%
-
0%
5
1%
222
4%
Component dissociation
89
2%
-
0%
2
<1%
1
7%
-
0%
4
1%
96
2%
Implant fracture
74
2%
2
<1%
1
<1%
-
0%
-
0%
1
<1%
78
1%
Other
244
6%
8
2%
26
6%
1
7%
-
0%
36
7%
315
5%
Side
              
Bilateral
21
<1%
-
0%
-
0%
-
0%
-
0%
-
0%
21
<1%
Left, unilateral
1,989
47%
240
46%
193
47%
6
40%
9
53%
262
51%
2,699
47%
Right, unilateral
2,250
53%
282
54%
222
53%
9
60%
8
47%
249
49%
3,020
53%
© National Joint Registry 2023

Reporting Period

Date Range

Data to 31/12/2013

Data to 31/12/2014

Data to 31/12/2015

Data to 31/12/2016

Data to 31/12/2017

Data to 31/12/2018

Data to 31/12/2019

Data to 31/12/2020

Data to 31/12/2021

Data to 31/12/2022

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