Table 1.
Characteristics of study participants expressed as frequencies or means. Minimum and maximum values are given in brackets.
| N | Whole Sample | N | Male | N | Female | p-valuea | |
|---|---|---|---|---|---|---|---|
| Age, yrs | 125 | 78.72 ± 7.60 (65 – 98) | 40 | 78.98 ± 6.28 (70 – 93) | 85 | 78.60 ± 8.18 (65–98) | ns |
| Female, % | 68.00% | ||||||
| White, % | 85.60% | 87.50% | 84.71% | ||||
| Hispanic, % | 8.80% | 5.00% | 10.59% | ||||
| Body Composition | |||||||
| Height, cm | 125 | 163.94 ± 8.85 (142.40 – 190.50) | 40 | 171.77 ± 8.25 (152.10 – 190.50) | 85 | 160.25 ± 6.41 (142.40 – 177.80) | <0.001 |
| Weight, kg | 125 | 75.84 ± 17.08 (43.80 – 124.30) | 40 | 86.31 ± 16.54 (62.30 – 124.30) | 85 | 70.91 ± 15.07 (43.80 – 122.80) | <0.001 |
| BMI, kg/m2 | 125 | 28.16 ± 5.69 (16.73 – 44.28) | 40 | 29.25 ± 5.19 (19.44 – 40.87) | 85 | 27.65 ± 5.86 (16.73 – 44.28) | ns |
| FMBIA, % | 125 | 35.55 ± 8.81 (14.70 – 53.70) | 40 | 29.52 ± 7.90 (14.70 – 46.50) | 85 | 38.39 ± 7.75 (16.90 – 53.70) | <0.001 |
| FMDXA, % | 125 | 39.50 ± 7.55 (18.52 – 58.48) | 40 | 35.51 ± 6.84 (18.52 – 49.05) | 85 | 41.38 ± 7.15 (19.74 – 58.47) | <0.001 |
| ASMMDXA, kg | 125 | 18.35 ± 4.60 (9.41 – 33.53) | 40 | 22.61 ± 3.86 (15.30 – 33.53) | 85 | 16.34 ± 3.40 (9.41 – 26.76) | <0.001 |
| ASMMBIA, kg | 125 | 17.63 ± 3.56 (11.71 – 27.11) | 40 | 21.46 ± 2.33 (17.62 – 27.11) | 85 | 15.83 ± 2.43 (11.71 – 23.27) | <0.001 |
| Physical Function | |||||||
| Grip strength, kg | 125 | 19.08 ± 8.82 (1 – 38.5) | 40 | 26.88 ± 8.21 (10 – 38.5) | 85 | 15.41 ± 6.40 (1 – 33.7) | <0.001 |
| Gait Speed, m/s | 123 | 0.65 ± 0.27 (0.14 – 1.55) | 40 | 0.69 ± 0.30 (0.18 – 1.55) | 83 | 0.63 ± 0.26 (0.14 – 1.26) | ns |
| Antropoimetric Measures | |||||||
| Tricep Skinfold, mm | 75 | 14.78 ± 10.79 (2.00 – 45.00) | 23 | 12.54 ± 10.21 (2.33 – 45.00) | 52 | 15.77 ± 10.99 (2.00 – 41.67) | ns |
| Mid Arm Circumference, cm | 75 | 26.43 ± 5.41 (15.92 – 43.13) | 23 | 28.18 ± 4.76 (19.36 – 35.18) | 52 | 25.65 ± 5.54 (15.92 – 43.13) | ns |
| Calf Circumference, cm | 75 | 34.64 ± 3.77 (26.40 – 44.53) | 23 | 35.54 ± 3.91 (30.93 – 43.13) | 52 | 34.23 ± 3.68 (26.40 – 44.53) | ns |
| Laboratory Results | |||||||
| BUN, mg/dL | 123 | 23.15 ± 13.82 (5 – 78) | 40 | 25.75 ± 13.90 (5 – 78) | 83 | 21.90 ± 13.69 (7 – 78) | ns |
| Creatinine, mg/dL | 123 | 1.19 ± 0.95 (0.32 – 9.90) | 40 | 1.46 ± 1.43 (0.63 – 9.90) | 83 | 1.06 ± 0.55 (0.32 – 3.60) | ns |
| Albumin g/dL | 79 | 3.73 ± 0.49 (2.10 – 5.00) | 26 | 3.61 ± 0.38 (2.90 – 4.20) | 53 | 3.79 ± 0.53 (2.10 – 5.00) | ns |
ASMMBIA: appendicular skeletal muscle mass derived from the model; ASMMDXA: appendicular skeletal muscle mass measured by DXA; BIA: bioelectrical impedance analysis; BMI: body mass index; BUN: Blood Urea Nitrogen; DXA: dual-x-ray absorptiometry; FMBIA: Fat mass measured by BIA; FMDXA: Fat mass measured by DXA.
a
for significant differences between women and men, n.s. not significant (p >0.001)