Table 2.
Mean, variance, and symbolic analysis in older adults with and without ID.
| Variables | Non-ID group (n=24) | ID group (n=24) | p | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Group | Moment | Interaction | |||||
| Linear Parameter | Rest | 6MWT | Recovery | Rest | 6MWT | Recovery | |||
| Mean RRi (ms) | 895.3(148.0) | 699.5(138.8) | 858.3(162.6) | 850.0(169.6) | 689.8(190.8) | 803.8(144.6) | 0.247 | 0.970 | 0.232 |
| Variance (ms) | 311.9(400.2) | 431.9(420.3) | 564.5(483.7) | 892.2(152.6) | 548.6(435.0) | 679.8(723.6) | 0.051 | 0.450 | 0.066 |
| Symbolic analysis | |||||||||
| 0V% | 24.5(13.2) | 27.4(15.0) | 32.5(17.8) | 33.3(15.8) | 32.8(12.7) | 34.2(14.8) | 0.524 | 0.710 | 0.667 |
| 1V% | 33.7(6.1) | 41.0(9.2 | 32.3(10.5) | 31.9(5.5) | 36.3(6.5) | 32.4(6.0) | 0.113 | 0.281 | 0.200 |
| 2LV% | 22.4(4.0) | 17.6(3.9 | 17.4(5.7) | 21.3(3.7) | 15.5(28) | 17.5(3.2) | 0.166 | 0.758 | 0.393 |
| 2UV% | 19.4(11.2) | 14.1(8.9) | 17.9(12.0) | 13.5(8.9) | 15.4(11.3) | 16.0(8.5) | 0.593 | 0.754 | 0.318 |
Values are means (standard deviation). ID, intellectual disability; 6MWT, 6-min walk test; and RRi, R-R intervals.