Table 1 The reliability of the stretch-sensor as described by the Intraclass Correlation Coefficient (ICC) and Limits of Agreement (LOA)
Conditions | Mean ND (±SD) | Mean difference (95% CI) | ICC (95% CI) | LOA [mm] |
|---|---|---|---|---|
Intra-rater between-day, rater 1 | 3.2 (±1.2) | -0.3 (-0.7; 0.0) | 0.77 (0.55–0.89) | -2.0; 1.4 |
Intra-rater between-day, rater 2 | 3.3 (±1.6) | 0.3 (-0.1;0.8) | 0.78 (0.52–0.90) | -1.6; 2.1 |
Inter-rater within-day, day 1 | 3.2 (±1.4) | -0.2 (-0.6; 0.1) | 0.84 (0.68–0.93) | -1.7; 1.3 |
Inter-rater within-day, day 2 | 3.6 (±1.6) | -0.2 (-0.6; 0.3) | 0.76 (0.56–0.88) | -2.4; 2.0 |
Inter-rater, between-day (rater 1, day 1 vs. rater 2 day 2) | 3.2 (±1.2) | -0.3 (-0.6; 0.1) | 0.78 (0.53-0.90) | -2.1; 1.6 |
Inter-rater, between-day (rater 2, day 1 vs. rater 1 day 2) | 3.3 (±1.6) | -0.5 (-0.8; -0.2) | 0.76 (0.53-0.89) | -2.3; 1.3 |
Intra-rater with shoes | 2.6 (±1.5) | 0.4 (-0.1; 0.9) | 0.65 (0.33–0.84) | -1.9; 2.6 |