|
N
|
325
|
325
| |
|
Age (years)*
| | | |
|
Mean ± SD
|
77.18 ± 7.19
|
77.26 ± 7.75
|
0.813
|
|
Median
|
77.00
|
76.00
| |
|
Race (%)*
| | |
1.000
|
|
White
|
85.5%
|
85.5%
| |
|
Black
|
10.2%
|
10.2%
| |
|
Hispanic
|
0.6%
|
0.6%
| |
|
Asian
|
2.2%
|
2.2%
| |
|
Other
|
1.5%
|
1.5%
| |
|
Urban (%)
|
99.1%
|
96.6%
|
0.055
|
|
Geographic region (%)
| | |
0.005
|
|
Northeast
|
30.8%
|
19.1%
| |
|
Midwest
|
13.8%
|
12.9%
| |
|
West
|
34.8%
|
42.5%
| |
|
South
|
20.6%
|
25.2%
| |
|
Duration of follow-up (months)
| | | |
|
Mean ± SD
|
18.12 ± 11.91
|
25.82 ± 8.94
|
< 0.001
|
|
Median
|
20.00
|
28.00
| |
|
Charlson score**
| | | |
|
Mean ± SD
|
1.12 ± 1.58
|
1.31 ± 1.71
|
0.072
|
|
Median
|
1.00
|
1.00
| |
|
Charlson comorbidities (%)
| | | |
|
Diabetes without chronic complications
|
25.8%
|
26.5%
|
0.929
|
|
Chronic pulmonary disease
|
23.1%
|
20.3%
|
0.447
|
|
Congestive heart failure
|
14.2%
|
12.0%
|
0.485
|
|
Cerebrovascular disease
|
10.8%
|
16.3%
|
0.051
|
|
Diabetes with chronic complications
|
7.7%
|
8.0%
|
1.000
|
|
Renal disease
|
6.2%
|
7.1%
|
0.753
|
|
Peripheral vascular disease
|
5.8%
|
8.9%
|
0.177
|
|
Rheumatologic disease
|
4.3%
|
5.2%
|
0.713
|
|
Myocardial infarction
|
3.7%
|
4.3%
|
0.842
|
|
Dementia
|
2.2%
|
8.3%
|
< 0.001
|
|
Peptic ulcer disease
|
0.9%
|
2.2%
|
0.340
|
|
Hemiplegia or paraplegia
|
0.3%
|
1.8%
|
0.123
|
|
Moderate or severe liver disease
|
0.3%
|
0.3%
|
1.000
|
|
AIDS
|
0.0%
|
0.0%
|
< 0.001
|
|
Mild liver disease
|
0.0%
|
0.6%
|
0.499
|
|
Other comorbidities (%)
| | | |
|
Depression/anxiety
|
9.2%
|
17.8%
|
0.002
|
|
Osteoporosis/Fractures
|
14.5%
|
25.8%
|
< 0.001
|
|
PR status
| | | |
|
PR+
|
78.0%
|
n/a
| |
|
PR-
|
22.0%
|
n/a
| |
