Table 1.
Characteristics of patients included (n = 668) and not included (n = 103) in the analysis
| Measured walk and fall information (n = 668) | Missing measured walk or fall information (n = 103)1 | P value | |
| Male (%) | 61.2 | 45.6 | 0.003 |
| Age (yr), mean ± SD | 56.3.(14.1) | 62.2 (14.1) | < 0.001 |
| Race (%) | < 0.001 | ||
| White | 22.2 | 31.1 | |
| Black | 63.6 | 45.6 | |
| Native American | 0.5 | 1 | |
| Asian | 10.9 | 12.6 | |
| Other (Native Hawaiian, other Pacific Islander, other) | 2.8 | 9.7 | |
| ESRD vintage, yr, mean ± SD | 5.0 (5.2) | 4.4 (4.1) | 0.24 |
| Diabetes (%) | 48.1 | 73.5 | < 0.001 |
| COPD (%) | 7.5 | 11.8 | 0.14 |
| Cancer (%) | 7.7 | 9.8 | 0.46 |
| CHF (%) | 27.3 | 42.2 | 0.002 |
| CAD/MI (%) | 26 | 39.2 | 0.005 |
| CVA/TIA (%) | 9.3 | 15.7 | 0.047 |
| PVD (%) | 6.5 | 31.4 | < 0.001 |
| Other cardiac diseases (%) | 23.9 | 43.1 | < 0.001 |
| KDQOL-CF score, mean ± SD | 88.0 (16.3) | 86.3 (18.2) | 0.35 |
| Hemoglobin, g/dL, mean ± SD | 11.6 (1.3) | 11.3 (1.3) | 0.1 |
| Assistive walking device (%) | 19.5 | 91.7 | < 0.001 |
| History of recent fall(s) (%) | 27.1 | 37.2 | 0.04 |
One patient lacked fall history information only; no physical performance information was obtained for 19 patients; and study coordinators reported that 83 patients were not able to walk 15 feet to perform the walk test. CAD: Coronary artery disease; CHF: Congestive heart failure; COPD: Chronic obstructive pulmonary disease; CVA: Cerebrovascular accident; ESRD: End-stage renal disease; KDQOL-CF: Kidney Disease Quality of Life-Cognitive Function; MI: Myocardial infarction; m/s: Meters per second; Other cardiac disease: Cardiac dysrhythmia, atrial fibrillation, tachycardia, pericarditis, cardiac arrest; PVD: Peripheral vascular disease; TIA: Transient ischemic attack.