Table 2 Qualitative appraisal of existing evidence.
Gait domain | Digital mobility outcome | PD | MS | COPD | PFF |
|---|---|---|---|---|---|
Pace | Gait speed | ++ | ++ | ++ | ++ |
Step/stride length | ++ | + | + | ? | |
Rhythm | Cadence | ++ | ++ | + | ? |
Step/stride time | + | + | ? | ? | |
Phase | Stance time | ++ | + | ? | ? |
Swing time | + | + | ? | ? | |
Single support time | + | + | ? | ? | |
Double support time | + | + | ? | ? | |
Base of support | Step width | − | + | ? | ? |
Step width variability | − | − | ? | ? | |
Variability | Step/stride speed variability | + | ? | ? | ? |
Step/stride length variability | ++ | + | ? | ? | |
Step/stride time variability | + | + | ? | ? | |
Stance time variability | + | ? | ? | ? | |
Swing time variability | + | + | ? | ? | |
Single support time variability | ? | + | ? | ? | |
Double support time variability | ? | − | ? | ? | |
Asymmetry | All asymmetry measures | ++ | + | ? | ? |
Volume | Daily step count | + | + | ++ | ? |
Daily walking time | + | ? | + | ? | |
Number of walking bouts | − | ? | ? | ? | |
Walking bout length | ? | + | ? | ? |
