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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 primary knee replacement procedures

  • SUMMARY
  • CHART AND TABLE

The table shows patient characteristics (Physical Status, Body Mass Index) and indications for surgery for each of the primary knee replacement procedure types.

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

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Patient characteristics for primary knee replacement procedures in 2022, according to procedure type.
 
Primary total knee replacement
Primary unicondylar
Primary multi-compartmental
Primary patello femoral
Primary total prosthetic replacement not classified elsewhere (e.g. hybrid)
Total
Total knee primaries
No.
%
No.
%
No.
%
No.
%
No.
%
No.
%
88,163
85%
13,832
13%
58
<1%
928
1%
322
<1%
103,303
 
Patient physical status
            
P1 - Fit and healthy
4,640
5%
1,729
13%
10
17%
184
20%
25
8%
6,588
6%
P2 - Mild disease not incapacitating
63,934
73%
10,479
76%
44
76%
655
71%
247
77%
75,359
73%
P3 - Incapacitating systemic disease
19,247
22%
1,600
12%
4
7%
88
9%
49
15%
20,988
20%
P4 and P5
342
<1%
24
<1%
-
0%
1
<1%
1
<1%
368
<1%
BMI
       
Number with BMI data
73,252
83%
11,772
85%
54
93%
785
85%
265
82%
86,128
83%
Average
30.89
 
30.10
 
29.17
 
28.79
 
30.80
 
30.76
 
SD
5.68
 
5.24
 
5.33
 
5.21
 
5.46
 
5.62
 
 
Indication for surgery
            
 
Osteoarthritis
86,087
98%
13,704
99%
56
97%
911
98%
299
93%
101,057
98%
 
Rheumatoid arthritis
948
1%
16
<1%
-
0%
1
<1%
4
1%
969
1%
 
Previous trauma
697
1%
36
<1%
2
3%
10
1%
8
2%
753
1%
 
Inflammatory arthropathy
718
1%
9
<1%
-
0%
-
0%
6
2%
733
1%
 
Avascular necrosis (AVN)
334
<1%
100
1%
-
0%
1
<1%
1
<1%
436
<1%
 
Previous infection
71
<1%
2
<1%
-
0%
-
0%
1
<1%
74
<1%
 
Other
541
1%
52
<1%
-
0%
12
1%
11
3%
616
1%
Side
            
Bilateral
384
<1%
535
4%
2
3%
51
5%
1
<1%
973
1%
Left, unilateral
41,441
47%
6,636
48%
29
50%
405
44%
140
43%
48,651
47%
Right, unilateral
46,338
53%
6,661
48%
27
47%
472
51%
181
56%
53,679
52%
© 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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