Table 1 Characteristics of participants and primary and secondary outcomes (mean ± standard deviation)
Strength training group | Power training group | Controls | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Baseline | 3 Months | 6 Months | 9 Months | Baseline | 3 Months | 6 Months | 9 Months | Baseline | 3 Months | 6 Months | 9 Months | |
N | 23 | 20 | 18 | 18 | 24 | 18 | 17 | 16 | 22 | 22 | 21 | 20 |
Age (y) | 77.8±6.1 | 77.4±6.2 | 75.9±7.8 | |||||||||
BMI (kg/m2) | 29.1±4.2 | 28.7±4.1 | 28.5±4.7 | 28.9±4.6 | 28.3±4.0 | 27.9±4.1 | 30.0±5.2 | 30.1±5.1 | 28.5±4.0 | 28.7±4.0 | 28.7±6.0 | 29.0±5.8 |
Mass(kg) | 78.8±10.0 | 78.0±10.0 | 76.9±9.7 | 77.4±9.5 | 74.3±10.4 | 72.6±10.5 | 78.8±12.7 | 79.2±12.2 | 75.3±13.8 | 75.8±13.5 | 74.4±13.1 | 75.2±12.4 |
SPPB (pt) | 8.8±2.4 | 9.7±2.2* | 8.9±2.3 | 9.1±2.2 | 9.0±2.1 | 10.1±2.3* | 10.3±1.5 | 10.4±2.1 | 10.2±2.1 | 9.7±2.1 | 10.2±2.1 | 9.7±2.8 |
Balance (pt) | 2.5±1.0 | 2.8±1.3 | 2.6±1.2 | 2.6±1.2 | 2.3±1.2 | 3.1±1.2 | 3.2±1.0 | 3.3±1.0 | 3.1±1.2 | 2.8±1.1 | 3.0±1.2 | 3.1±1.1 |
Gait (pt) | 3.5±0.8 | 3.7±0.6 | 3.6±0.9 | 3.5±0.8 | 3.8±0.5 | 3.8±0.4 | 3.8±0.4 | 3.9±0.3 | 3.9±0.4 | 3.7±0.6 | 3.9±0.2 | 3.6±0.7 |
Chair Rise(pt) | 2.8±1.2 | 3.3±1.0 | 2.6±1.1 | 3.0±1.2 | 2.9±1.1 | 3.2±1.1 | 3.3±0.8 | 3.2±1.2 | 3.2±1.0 | 3.1±1.2 | 3.2±1.2 | 2.9±1.3 |
aLM (kg) | 17.9±3.3 | 18.0±3.3 | 18.3±3.5 | 18.6±3.4 | 19.2±4.4 | 19.1±4.2 | 19.4±4.4 | 19,7±4.4 | 17.1±2.6 | 17.5±2.6 | 17.5±2.6 | 17.6±2.7 |
SF-LLFDI (pt) | 118.2 ±16.5 | 119.0 ±18.5 | 115.7 ±17.2 | 115.7 ±16.1 | 120.0 ±17.1 | 120.9 ±15.8 | 120.6 ±21.0 | 114.4 ±18.8 | 118.9 ±18.3 | 118.3 ±17.1 | 118.2 ±17.1 | 113.8 ±19.6 |
Power (W) | 447.7 ±158.0 | 485.5 ±149.2 | 458.9 ±148.2 | 447.2 ±133.9 | 497.1 ±152.0 | 505.5 ±110.7 | 517.0 ±114.8 | 499.0 ±99.2 | 463.3 ±175.6 | 481.5 ±130.5 | 450.4 ±120.0 | 462.8 ±135.0 |