Table 4.
Validation Step - Linear contrast analysis comparing outcomes across 12-MSWS benchmarks
| F-value for linear term | p-value | t-value, equal variance | p-value | t-value, unequal variance | p-value | Partial eta-squared | |
|---|---|---|---|---|---|---|---|
| T25FW | 39.7 | <.001 | 6.3 | <.001 | 4.1 | <.001 | 0.3 |
| TUG | 47.5 | <.001 | 6.9 | <.001 | 4.8 | <.001 | 0.34 |
| 6MW | 64.3 | <.001 | 8 | <.001 | 7.7 | <.001 | 0.41 |
| SSST | 53.4 | <.001 | 7.3 | <.001 | 5.3 | <.001 | 0.37 |
| Steps/day | 45.1 | <.001 | 6.7 | <.001 | 7.2 | <.001 | 0.33 |
| Counts/day | 29.5 | <.001 | 5.4 | <.001 | 5.5 | <.001 | 0.24 |
| O2 Cost | 23.7 | <.001 | 4.9 | <.001 | 4.3 | <.001 | 0.21 |
| FAP score | 44.7 | <.001 | 6.8 | <.001 | 5.2 | <.001 | 0.36 |
| PASAT | 1.8 | 0.18 | 1.3 | 0.18 | 1.5 | 0.15 | 0.02 |
| SDMT | 13.3 | <.001 | 3.6 | <.001 | 3.9 | <.001 | 0.13 |
| LL-FDI | 141.2 | <.001 | 11.9 | <.001 | 11 | <.001 | 0.61 |
| SI | 67.2 | <.001 | 8.2 | <.001 | 7.2 | <.001 | 0.42 |
Abbreviations: 12-MSWS = Multiple Sclerosis Walking Scale – 12; T25FW = Timed 25-Foot Walk; TUG = Timed Up and Go; 6MW = 6 Minute Walk; SSST = Six Spot Step Test; FAP = Functional Ambulation Performance; PASAT = Paced Auditory Serial Addition Test; SDMT = Symbol Digit Modalities Test; LL-FDI = Late Life Function and Disability Instrument; SI = Symptom Inventory.