Table 2. Comparison of pre- and post-outcome variables between the groups along-with summary of 2×2 mixed model ANOVA.
Variable | CG (n=14), Mean±SD | AEG (n=15), Mean±SD | Source | f-value | p-value | (η2) |
---|---|---|---|---|---|---|
P300 Lat-pre (ms) | 305.63±15.37 | 306.28±16.41 | ||||
P300 Lat-post (ms) | 306.54±14.44 | 272.95±14.83 | T | 84.55 | <0.001 | 0.809 |
G | 6.89 | 0.016 | 0.256 | |||
T×G | 94.29 | <0.001 | 0.825 | |||
P300 Amp-pre (μV) | 3.94±0.50 | 3.96±0.48 | ||||
P300Amp-post (μV) | 3.79 ±0.45 | 6.43±0.85 | T | 53.62 | <0.001 | 0.728 |
G | 44.71 | <0.001 | 0.691 | |||
T×G | 67.75 | <0.001 | 0.772 | |||
TMTA-pre | 70.54±3.7 | 70.63±3.6 | ||||
TMTA-post | 70.63±3.64 | 55.18±3.51 | T | 206.99 | <0.001 | 0.912 |
G | 24.00 | <0.001 | 0.546 | |||
T×G | 212.27 | <0.001 | 0.914 | |||
TMTB-pre | 174.90±6.60 | 175.72±6.78 | ||||
TMTB-post | 175.72±6.78 | 141.09±3.53 | T | 647.86 | <0.001 | 0.970 |
G | 45 | <0.001 | 0.69 | |||
T×G | 712.07 | <0.001 | 0.973 | |||
MMSE-pre | 23.45±1.29 | 22.81±0.75 | ||||
MMSE-post | 23.18±0.98 | 26.09±0.70 | T | 155.57 | <0.001 | 0.88 |
G | 8.42 | 0.009 | 0.29 | |||
T×G | 217.28 | <0.001 | 0.916 | |||
ECog-pre | 112.63±7.52 | 113.18±7.20 | ||||
ECog-post | 111.81±6.25 | 100.45±7.4 | T | 389.49 | <0.001 | 0.95 |
G | 3.20 | 0.088 | 0.138 | |||
T×G | 301.97 | <0.001 | 0.93 |
Abbreviations: CG: control group; AEG: aerobic exercise group; SD: standard deviation; η2: partial eta squared; P300 Lat-pre: P300 latency waves before training; P300 Lat-post: P300 latency waves after training; P300 Amp-pre: P300 amplitude waves before training; P300 Amp-post: P300 amplitude waves after training; TMTA-pre: trail making test part A before training; TMTA-post: trail making test part A after training; TMTB-pre: trail making test part B before training; TMTB-post: trail making test part B after training; MMSE-pre: mini mental state examination before training; MMSE-post: mini mental state examination after training; ECog-pre: everyday cognition before training; ECog-post: everyday cognition after training; T: time; G: group; TxG: time×group. Notes: Data are presented as mean and SD (M±SD); significant difference is p<0.05.