Table 2.
Characteristics of patients with measured walk and fall information, by slow gait speed (< 0.8 m/s) and faster gait speed (≥ 0.8 m/s)
| Gait speed < 0.8 m/s (n = 232) | Gait speed ≥ 0.8 m/s (n = 436) | P value | |
| Male (%) | 47 | 68.8 | < 0.001 |
| Age, yr, mean ± SD | 62.1 (13.4) | 53.2 (13.5) | < 0.001 |
| Race (%) | < 0.001 | ||
| White | 13.8 | 26.6 | |
| Black | 75 | 57.6 | |
| Native American | 0.4 | 0.5 | |
| Asian | 8.2 | 12.4 | |
| Other (Native Hawaiian, other Pacific Islander, other) | 2.6 | 3 | |
| ESRD vintage, yr, mean ± SD | 4.5 (4.9) | 5.2 (5.3) | 0.1 |
| Diabetes (%) | 59.9 | 41.7 | < 0.001 |
| COPD (%) | 12.1 | 5.1 | 0.001 |
| Cancer (%) | 8.2 | 7.4 | 0.71 |
| CHF (%) | 31.5 | 25.1 | 0.08 |
| CAD/MI (%) | 33.2 | 22.1 | 0.002 |
| CVA/TIA (%) | 12.5 | 7.6 | 0.04 |
| PVD (%) | 9.5 | 4.8 | 0.02 |
| Other cardiac diseases (%) | 29.3 | 21 | 0.02 |
| KDQOL-CF score, mean ± SD | 84.3 (18.0) | 90.0 (14.9) | < 0.001 |
| Hemoglobin, g/dL, mean ± SD | 11.5 (1.3) | 11.6 (1.3) | 0.67 |
| Assistive walking device (%) | 45 | 6 | < 0.001 |
| Assistive walking device used when gait speed measured (%) | 26.8 | 2.3 | < 0.001 |
| History of recent fall(s) (%) | 36.2 | 22.3 | < 0.001 |
| Gait speed, m/s, mean ± SD | 0.61 (0.15) | 1.04 (0.18) | < 0.001 |
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.