Table 2.
Baseline results by study populationa
| Parameter | Renal Failure n = 26 Mean (SD) | Heart Failure n = 52 Mean (SD) | COPD n = 153 Mean (SD) | High CV risk n = 279 Mean (SD) |
|---|---|---|---|---|
| Age (yr) | 67.48 (4.89) | 69.89 (7.53) | 67.16 (9.80) | 66.03 (7.47) |
| Body mass index (kg/m2) | 30.69 (7.40) | 29.90 (5.03) | 28.39 (6.50) | 29.10 (4.73) |
| Disability questionnaire (PAT-D) score (1 to 5) | 1.42 (0.53) | 1.88 (0.54) | 1.83 (0.58) | 1.44 (0.54) |
| SPPB score (0 to 12) | 8.35 (2.76) | 9.71 (1.61) | 10.38 (1.46) | 10.34 (1.51) |
| 4-m walk subscore (0 to 4) | 3.19 (1.06) | 3.94 (0.24) | 2.20 (1.87) | 3.78 (0.81) |
| five chair-rise subscore (0 to 4) | 1.81 (1.27) | 2.20 (1.04) | 2.74 (1.22) | 2.66 (1.05) |
| Standing balance subscore (0 to 4) | 3.35 (1.02) | 3.54 (1.00) | 3.84 (0.40) | 3.85 (0.44) |
| Gait speed (m/s) | 0.80 (0.19) | 1.17 (0.22) | 0.99 (0.22) | 1.25 (0.24) |
| Five chair-rise time (s) | 15.88 (4.60) | 15.17 (3.90) | 13.34 (4.96) | 13.84 (4.10) |
| Grip strength (kg) | 26.56 (11.02) | 28.78 (8.56) | 35.68 (12.61) | 39.49 (13.52) |
| Whole body lean mass by DEXA (kg) | 56.67 (13.00) | 46.90 (9.37) | 53.08 (12.56) | 56.10 (11.85) |
| Whole body total fat by DEXA (kg) | 29.26 (10.87) | 31.19 (9.73) | 27.36 (11.37) | 29.30 (9.70) |
| Whole body percent fat by DEXA (%) | 32.74 (7.55) | 38.50 (7.84) | 32.41 (7.86) | 33.21 (8.23) |
a
COPD, chronic obstructive pulmonary disease group; PAT-D, Pepper Assessment Tool of Disability; SPPB, Short Physical Performance Battery; DEXA, dual energy x-ray absorptiometry.