Characteristic | Study cohort | Comparison cohort | P-value*** |
---|---|---|---|
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 |