Table 3. Descriptive statistics of errors incurred by best methods to calculate stance duration on each surface.
(%) | Surface | Method | Mean | SD | LLoA | ULoA | Sensitivity (%) | PPV (%) |
---|---|---|---|---|---|---|---|---|
FORELIMB | ||||||||
WALK | Asphalt | M1p | 0.92 | 2.98 | -2.06 | 3.90 | 100 | 99 |
Grass | M1p | 0.52 | 2.14 | -1.61 | 2.66 | 98 | 99 | |
Sand | M1p | 1.19 | 5.29 | -4.10 | 6.49 | 100 | 97 | |
TROT | Asphalt | M2p | 1.09**,*** | 8.68 | -7.59 | 9.77 | 99 | 100 |
Grass | M2p | -0.57** | 6.67 | -7.24 | 6.10 | 100 | 100 | |
Sand | M2p | -1.09*** | 7.68 | -8.77 | 6.58 | 99 | 100 | |
HINDLIMB | ||||||||
WALK | Asphalt | M1p | 0.10 | 3.42 | -3.31 | 3.52 | 100 | 100 |
Grass | M1p | -0.33 | 7.42 | -7.75 | 7.09 | 99 | 100 | |
Sand | M1p | 0.22 | 3.60 | -3.38 | 3.82 | 99 | 98 | |
TROT | Asphalt | M1p | 0.50 | 2.38 | -1.87 | 2.88 | 99 | 99 |
Grass | M1p | 0.92 | 2.26 | -1.34 | 3.18 | 97 | 100 | |
Sand | M1p | 1.16 | 4.28 | -3.12 | 5.44 | 98 | 100 |
Descriptive statistics of the errors (as % of stride duration) incurred by the best methods to calculate stance duration; superscripts **p<0.01 and ***p<0.001 indicate where two mean errors differed significantly, as revealed by post hoc tests.