Table 5.
Descriptive statistics for validation outcomes across four benchmarks for 12-MSWS
| 12-MSWS Group | ||||
|---|---|---|---|---|
| Group 1 | Group 2 | Group 3 | Group 4 | |
| 0–24.99 | 25–49.99 | 50–74.99 | 75–100 | |
| T25FW | 4.7 (1.0) | 5.9 (1.7) | 7.8 (2.3) | 9.7 (5.2) |
| TUG | 5.9 (1.8) | 7.5 (2.1) | 10.6 (3.9) | 14.1 (7.2) |
| 6MW | 523 (78) | 444 (93) | 348 (102) | 293 (112) |
| SSST | 7.0 (1.6) | 9.0 (2.9) | 13.2 (4.5) | 16.3 (7.6) |
| Steps/day | 6097 (2387) | 4895 (2522) | 2737 (1371) | 2267 (1342) |
| Counts/day | 200753 (92259) | 163732 (83311) | 102610 (50588) | 87455 (54596) |
| O2 Cost | 0.187 (0.032) | 0.201 (0.041) | 0.243 (0.790) | 0.278 (0.088) |
| FAP score | 96.4 (3.7) | 94.3 (6.5) | 86.3 (11.3) | 76.0 (15.0) |
| PASAT | 45.5 (11.0) | 42.4 (10.2) | 36.8 (15.8) | 41.5 (11.6) |
| SDMT | 51.5 (10.6) | 44.8 (9.1) | 41.6 (11.3) | 39.8 (8.8) |
| LL-FDI | 67.0 (5.5) | 54.3 (7.9) | 45.4 (7.2) | 40.1 (9.2) |
| SI | 17.0 (11.1) | 42.0 (14.1) | 47.6 (13.7) | 54.7 (18.7) |
Abbreviations: Values represent mean (standard deviation). 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.