|
Number of procedures
|
5680
|
6238
|
8659
|
7685
| |
|
Year of operation 2010-2014 (n = 15,900) %
|
60
|
58
|
57
|
52
|
P < 0.001
|
|
Male sex (n = 10,186) %
|
28
|
31
|
37
|
44
|
P < 0.001
|
|
Age group %
| | | | |
P < 0.001
|
|
<60 (n = 4989)
|
15
|
17
|
17
|
21
| |
|
60-69 (n = 9717)
|
33
|
34
|
34
|
36
| |
|
70-79 (n = 10,009)
|
38
|
36
|
36
|
32
| |
|
≥80 (n = 3547)
|
14
|
13
|
13
|
11
| |
|
Median age (years) (range)
|
71 (31-96)
|
70 (25-94)
|
70 (23-101)
|
68 (22-93)
| |
|
Median annual hospital volume
|
118
|
113
|
95
|
86
|
P < 0.001
|
|
ASA %
| | | | |
P = 0.001
|
|
1 (n = 4167)
|
16
|
14
|
14
|
16
| |
|
2 (n = 17,918)
|
64
|
65
|
64
|
62
| |
|
3+ (n = 5621)
|
19
|
19
|
20
|
21
| |
|
Osteoarthritis (n = 25,152) %
|
92
|
90
|
88
|
87
|
P < 0.001
|
|
Perioperative complications (n = 640) %
|
0.7
|
1.1
|
1.8
|
4.9
|
P < 0.001
|
|
Previous surgery for intraarticular fracture or fracture near the joint (n = 551) %
|
0.8
|
1.3
|
1.7
|
3.6
|
P < 0.001
|
|
Previous high tibial osteotomy (n = 885) %
|
1.9
|
2.5
|
2.8
|
4.9
|
P < 0.001
|
|
Computer navigated TKA (n = 2462) %
|
2.5
|
5.6
|
9.0
|
18
|
P < 0.001
|
|
Systemic antibiotics (n = 28,108) %
|
100
|
100
|
100
|
100
|
P = 0.4
|
|
Prosthesis brand %
| | | | |
P < 0.01
|
|
LCS Complete (n = 8752)
|
26
|
31
|
31
|
34
| |
|
Profix (n = 6286)
|
23
|
24
|
23
|
20
| |
|
NexGen (n = 4717)
|
18
|
16
|
16
|
17
| |
|
AGC (n = 2233)
|
15
|
7.3
|
6.1
|
5.1
| |
|
Duracon (n = 2043)
|
5.7
|
6.8
|
6.8
|
9.2
| |
|
Triathlon (n = 1317)
|
5.2
|
4.0
|
5.2
|
4.1
| |
|
Vanguard (n = 741)
|
1.5
|
1.7
|
3.7
|
3.0
| |
|
PFC-Sigma (n = 697)
|
1.3
|
2.6
|
3.0
|
2.7
| |
|
LCS (n = 516)
|
1.3
|
1.2
|
2.0
|
2.5
| |
|
Other (n = 955)
|
3.3
|
5.0
|
2.9
|
2.7
| |
