Table 1.
Means (standard deviations) and comparisons of subject demographics and training parameters for the three independent retest cohorts
| Demographics and training | Stages | p value | Pooled | p value | |||
|---|---|---|---|---|---|---|---|
| I (n = 24) | II (n = 23) | III (n = 26) | Returned (n = 73) | Not returned (n = 26) | |||
| Demographics | |||||||
| Age (years) | 74.6 (5.8) | 71.8 (5.5) | 72.0 (4.7) | 0.14 | 72.7 (5.4) | 70.8 (4.7) | 0.10 |
| Gender (female) | 13 (54.2 %) | 15 (65.2 %) | 19 (73.1 %) | 0.37 | 47 (64.4 %) | 16 (61.5 %) | 0.80 |
| Body height (m) | 1.70 (0.09) | 1.68 (0.09) | 1.66 (0.09) | 0.44 | 1.68 (0.09) | 1.66 (0.11) | 0.32 |
| Body mass (kg) | 74.9 (12.3) | 75.9 (13.8) | 75.1 (12.9) | 0.96 | 75.3 (12.9) | 75.8 (13.6) | 0.86 |
| Perturbation training | |||||||
| Falls upon novel slip | 10 (41.7 %) | 9 (39.1 %) | 12 (46.2 %) | 0.94 | 31 (42.5 %) | 16 (61.5 %) | 0.10 |
| Proactive stability control | −0.15 (0.04) | −0.17 (0.06) | −0.16 (0.05) | 0.14 | −0.16 (0.05) | −0.15 (0.06) | 0.56 |
| Reactive stability control | −0.43 (0.20) | −0.39 (0.20) | −0.43 (0.19) | 0.14 | −0.41 (0.19) | −0.36 (0.19) | 0.23 |
| Falls upon final slip | 0 (0 %) | 0 (0 %) | 0 (0 %) | 1.00 | 0 (0 %) | 0 (0 %) | 1.00 |
| Proactive stability control | −0.08 (0.07) | −0.12 (0.05) | −0.11 (0.06) | 0.23 | −0.10 (0.06) | −0.11 (0.06) | 0.66 |
| Reactive stability control | 0.65 (0.44) | 0.72 (0.44) | 0.79 (0.24) | 0.34 | 0.72 (0.38) | 0.69 (0.36) | 0.47 |
Also listed are the comparisons of subject demographics and training parameters between those returned for the retest session and those who did not