Table 2.
Patient characteristics
| Characteristic | All Patientsa (N=778) | Patients with Frailty and Body Composition Dataa (n=638) | Patients Missing Body Composition or Frailty Data (n=140) | P Value |
|---|---|---|---|---|
| Age, yr | 57.1 (14.3) | 56.8 (14.5) | 58.4 (13.0) | 0.21 |
| Women, % | 41.4 | 42.0 | 38.8 | 0.49 |
| Race, % | 0.24 | |||
| White | 23.6 | 24.6 | 18.7 | |
| Black | 61.6 | 60.3 | 67.6 | |
| Other | 14.8 | 15.0 | 13.7 | |
| BMI, kg/m2 | 29.0 (7.1) | 29.0 (7.1) | 29.0 (7.0) | 0.89 |
| Serum albumin, g/dl | 4.0 (0.4) | 4.0 (0.4) | 3.9 (0.4) | 0.02 |
| Serum creatinine, mg/dl | 8.3 (2.8) | 8.4 (2.7) | 7.9 (3.0) | 0.03 |
| Dialysis vintage, yr | 3.2 (0.1–36.6) | 3.0 (0.1–30.1) | 4.8 (0.1–36.6) | <0.001 |
| Comorbidity, % | ||||
| Diabetes | 47.4 | 44.8 | 61.0 | 0.001 |
| CHF | 19.7 | 18.5 | 26.5 | 0.05 |
| CAD | 9.2 | 8.0 | 15.9 | 0.007 |
| Hypertension | 89.3 | 90.3 | 84.2 | 0.05 |
| Frail, % | 31.4 | 29.8 | 39.5b | 0.03 |
CHF, congestive heart failure; CAD, coronary artery disease.
a
Numbers are mean (SD) or median (25th to 75th).
b
n=124. Sixteen individuals were missing information that was needed to determine frailty status.