Table 1.
Characteristics of U.S. Patients Aged 67–100 y Initiating Hemodialysis in 2010–2012, Overall and by Recent History of a Serious Fall Injury
| Characteristic at Dialysis Start | Overall | History of Serious Fall Injury | ||
|---|---|---|---|---|
| Yes | No | p* | ||
| N (%) | 81,653 | 2,958 (3.6%) | 78,695 (96.4%) | – |
| Demographics | ||||
| Mean (SD) age, years | 76.8 (6.5) | 78.1 (6.7) | 76.7 (6.5) | <.001 |
| Female, % | 47.2% | 57.7% | 46.8% | <.001 |
| Race/ethnicity, % | ||||
| Non-Hispanic white | 65.5% | 73.5% | 65.2% | <.001 |
| Non-Hispanic black | 20.5% | 12.4% | 20.8% | |
| Hispanic | 9.1% | 9.5% | 9.1% | |
| Other | 5.0% | 4.2% | 5.0% | |
| Clinical | ||||
| Received pre-ESRD nephrology care, % | 72.7% | 67.8% | 72.9% | <.001 |
| Inpatient dialysis start, % | 69.4% | 71.7% | 69.3% | .006 |
| Mean BMI (SD), kg/m2 | 28.3 (7.2) | 27.4 (7.1) | 28.3 (7.2) | <.001 |
| Comorbid conditions, % | ||||
| Diabetes | 54.9% | 56.0% | 54.9% | .2 |
| Atherosclerotic cardiovascular disease | 28.3% | 28.4% | 28.3% | .9 |
| Cerebrovascular disease | 11.8% | 14.4% | 11.7% | <.001 |
| Peripheral vascular disease | 16.8% | 17.9% | 16.7% | .08 |
| Hypertension | 87.8% | 86.3% | 87.9% | .009 |
| Congestive heart failure | 41.4% | 45.5% | 41.3% | <.001 |
| Functional status, % | ||||
| Inability to ambulate | 9.9% | 17.8% | 9.6% | <.001 |
| Inability to transfer | 5.5% | 10.3% | 5.3% | <.001 |
| Needs assistance with daily activities | 18.2% | 27.2% | 17.8% | <0.001 |
| Institutionalized | 13.6% | 23.9% | 13.2% | <.001 |
Note: Only patients with Part B coverage in the year prior to dialysis start are included. BMI = Body mass index; ESRD = End-stage renal disease.
N = 81,653 for all except: pre-ESRD care (N = 71,056), inpatient start (N = 72,902), and BMI (N = 81,039).
*By t (continuous variables) or chi-square (categorical variables) test.