| Variable | Study | Relative inter-rater reliability | Absolute inter-rater reliability | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ICC | Rating | Risk of bias | Inconsistency | Imprecision | Indirectness | Quality of evidence | MDC95% | Rating | Risk of bias | Inconsistency | Imprecision | Indirectness | Quality of evidence | |||
Balance | ||||||||||||||||
 FR | Distance | 1 study of adequate quality (n = 15) [14] | 0.79 | + | Serious | No | n < 50 | No | Very low | Not assessed | ||||||
 GMWT | Time | 1 study of adequate/very good quality (n = 53) [43] | 0.99 | + | Serious | No | n = 50–100 | No | Low | 14.5% | ? | No | No | n = 50–100 | No | Moderate |
Number of oversteps | 1 study of adequate/very good quality (n = 53) [43] | 0.99 | + | Serious | No | n = 50–100 | No | Low | 17.1% | ? | No | No | n = 50–100 | No | Moderate | |
 BBS | Score | 3/2 studies of adequate/very good quality (n = 101/86) [14, 15, 43] | 0.72–0.99 | + | No | No | No | No | High | 5.9–7.1% | ? | No | No | n = 50–100 | No | Moderate |
Mobility and gait | ||||||||||||||||
 TUG | Time | 2 studies/1 study of adequate/very good quality (n = 68/53) [14, 43] | 0.98–0.99 | + | No | No | n = 50–100 | No | Moderate | 7.9% | +b | No | No | n = 50–100 | No | Moderate |
 6 m WT | Walking speed | 1 study of adequate/very good quality (n = 33) [15] | 0.97 | + | Serious | No | n < 50 | No | Very low | 15.7% | +c | No | No | n < 50 | No | Low |
 4 m WT | Time | 1 study of adequate/very good quality (n = 53) [43] | 0.82 | + | Serious | No | n = 50–100 | No | Low | 98.0% | -c/↓ | No | No | n = 50–100 | No | Moderate |
Strength | ||||||||||||||||
 ACSID | Score | 1 study of very good quality (n = 94) [99] | 0.85 | + | No | No | n = 50–100 | No | Moderate | Not assessed | ||||||
 30s CST | Repetitions | 1 study of adequate/very good quality (n = 33) [15] | 1.00 | + | Serious | No | n < 50 | No | Very low | 0.0% | ? | No | No | n < 50 | No | Low |
Endurance | ||||||||||||||||
 6 min WT | Distance | 1 study of adequate quality (n = 33)a [118] | 0.97–0.99 | + | Serious | No | n < 50 | No | Very low | Not assessed | ||||||
Walking speed | 1 study of adequate quality (n = 33)a [118] | 0.96–0.98 | + | Serious | No | n < 50 | No | Very low | Not assessed |