|
Diagnosis (%) or mean (SD)
|
---|
|
RA
|
OA
|
AVN
|
Other
|
---|
|
(n=162)
|
(n = 5,339)
|
(n = 456)
|
(n=211)
|
---|
Agea
|
56 (17)
|
65 (13)
|
57 (17)
|
50 (15)
|
% women
|
65%
|
51%
|
49%
|
66%
|
BMI (kg/m2)
|
26 (5)
|
29 (6)
|
27 (6)
|
27 (6)
|
Age groupsa
| | | | |
≤60 yrs
|
45%
|
29%
|
52%
|
72%
|
>60 to 70 yrs
|
31%
|
31%
|
23%
|
19%
|
>70 to 80 yrs
|
23%
|
31%
|
19%
|
9%
|
>80 yrs
|
1%
|
9%
|
6%
|
1%
|
BMI (kg/m2)
| | | | |
<25
|
46%
|
23%
|
32%
|
40%
|
25 to 29.9
|
33%
|
39%
|
41%
|
31%
|
30 to 34.9
|
13%
|
25%
|
17%
|
22%
|
35 to 39.9
|
6%
|
9%
|
5%
|
5%
|
≥40
|
2%
|
5%
|
4%
|
2%
|
ASA scorea
| | | | |
Class I
|
5%
|
5%
|
8%
|
15%
|
Class II
|
46%
|
57%
|
49%
|
55%
|
Class III
|
49%
|
36%
|
42%
|
28%
|
Class IV
|
0%
|
1%
|
1%
|
1%
|
Implant Fixationa
| | | | |
Cemented
|
8%
|
12%
|
12%
|
8%
|
Hybrid
|
66%
|
52%
|
48%
|
54%
|
Uncemented
|
26%
|
36%
|
41%
|
38%
|
Deyo-Charlson Index
|
1 (1)
|
1 (2)
|
1 (2)
|
1 (2)
|
Depression
|
7%
|
7%
|
8%
|
4%
|
Anxiety
|
3%
|
4%
|
8%
|
2%
|
Distance Category
| | | | |
0 to 100 miles
|
43%
|
48%
|
38%
|
36%
|
>100 to 500 miles
|
47%
|
41%
|
49%
|
50%
|
>500 miles or non-US
|
11%
|
11%
|
13%
|
14%
|
- Numbers rounded to the nearest digit. ap<0.05 ASA, American Society of Anesthesiologists; AVN, avascular necrosis of bone; BMI, body mass index; OA, osteoarthritis; RA, rheumatoid arthritis; SD, standard deviation.