Table 2.

Baseline results by study populationa

ParameterRenal 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.