Table 4. Phase synchronization indices of the LF-components (mean ± SD) of participants and statistical results.
| LF components | ||||||||||
| week 12 | week 16 | week 20 | week 25 | week 30 | week 35 | ANOVA | ||||
| γ SBPxRRI,LF | p | ηp 2 | ||||||||
| rest | 0.34±0.13 | 0.30±0.10 | 0.28±0.11 | 0.27±0.12 | 0.29±0.12 | 0.28±0.12 | week | F(5,175) = 5.0 | <.001 | .13 |
| post DB | 0.31±0.13 | 0.31±0.12 | 0.27±0.10 | 0.25±0.12 | 0.26±0.12 | 0.25±0.13 | condition | F(1,35) = 3.4 | = .07 | .09 |
| γ DBPxRRI,LF | ||||||||||
| rest | 0.42±0.13 | 0.39±0.13 | 0.37±0.14 | 0.36±0.13 | 0.37±0.14 | 0.34±0.14 | week | F(5,175) = 5.0 | <.001 | .12 |
| post DB | 0.38±0.13 | 0.37±0.12 | 0.34±0.12 | 0.31±0.12 | 0.34±0.12 | 0.31±0.12 | condition | F(1,35) = 7.9 | <.01 | .18 |
| γ SBPxDBP,LF | ||||||||||
| rest | 0.66±0.15 | 0.67±0.12 | 0.63±0.12 | 0.63±0.13 | 0.65±0.12 | 0.63±0.15 | week | F(5,175) = 1.2 | = .33 | .03 |
| post DB | 0.62±0.17 | 0.65±0.14 | 0.62±0.13 | 0.61±0.13 | 0.63±0.12 | 0.66±0.14 | condition | F(1,35) = 2.3 | = .14 | .06 |
LF = low frequency; γ = synchronization index; RRI = R-R interval; SBP = systolic blood pressure; DBP = diastolic blood pressure; DB = deep breathing. Note : Multivariate analyses of variance significant for main effect “week” only.