Table 1 Selected scaliness parameters, hydration, elasticity, collagen & elastin fibre organisation and fissure depth measures testing intra – rater reliability
Bland - Altman data | ||||||
|---|---|---|---|---|---|---|
ICC agreement | 95 % CI | SEM consistency | Mean difference [SD] | 95 % LOA | ||
Investigator A | ||||||
Callus | Hydration [AU] | 0.61 | −0.95 - 0.93 | 0.26 | −1.25 [3.11] | −7.30 – 4.80 |
Elasticity [mm] | 0.77 | −0.17 - 0.97 | 0.06 | 0.30 [0.40] | −0.47 – 1.08 | |
Collagen and elastin fibre organisation [AU] | 0.98 | 0.88 - 1.00 | 6.76 | 1.69 [44.50] | −85.50 – 88.92 | |
SEsm [AU] | 0.88 | 0.34 – 0.98 | 1.23 | −0.61 [24.76] | −49.13 – 47.91 | |
SEr [AU] | 0.84 | 0.10 – 0.97 | 0.29 | −0.10 [1.74] | −3.51 – 3.31 | |
SEsc [AU] | 0.38 | 0.84 – 1.51 | 0.03 | −0.20 [0.38] | −0.94 – 0.55 | |
Heel fissure | Hydration [AU] | 0.93 | 0.26 – 0.99 | 0.35 | 0.26 [2.33] | −4.30 – 4.82 |
Elasticity [mm] | 0.82 | −4.42 – 1.00 | 0.00 | 0.03 [0.10] | −0.16 – 0.21 | |
SEsm [AU] | 1.00 | 8.85 – 0.90 | 0.00 | −11.35 [33.12] | −76.27 – 53.57 | |
SEr [AU] | 0.38 | 0.97 – 6.14 | 1.24 | −0.20 [2.47] | −5.03 – 4.63 | |
SEsc [AU] | 0.73 | 0.98 – 21.89 | 0.04 | −0.07 [0.12] | −0.29 – 0.16 | |
Fissure depth [μm] | 0.95 | 0.46 – 1.00 | 4.83 | −20.08 [29.74] | −78.37 – 38.21 | |
Xerotic plantar heel skin | Hydration [AU] | 0.88 | −0.49 – 1.00 | 0.37 | 0.59 [2.05] | −3.43 – 4.61 |
Elasticity [mm] | 0.53 | −9.25 – 0.97 | 0.01 | −0.05 [0.11] | −0.25 – 0.16 | |
Collagen and elastin fibre organisation [AU] | 0.98 | 0.33 – 1.00 | 0.51 | −12.58 [8.37] | −28.98 – 3.83 | |
SEsm [AU] | 0.51 | 0.46 – 0.96 | 14.13 | −27.07 [20.70] | −67.64 – 13.51 | |
SEr [AU] | 0.68 | 0.82 – 2.17 | 0.17 | −0.71 [0.84] | −2.35 – 0.94 | |
SEsc [AU] | 0.31 | 0.93 – 7.56 | 0.41 | 0.33 [0.59] | −0.82 – 1.47 | |
PMA | Hydration [AU] | 0.97 | 0.86 – 1.00 | 0.16 | −0.35 [2.64] | −5.50 – 4.82 |
Elasticity [mm] | 0.45 | −2.68 – 0.92 | 7.9 x10−5 | 0.08 [0.19] | −0.31 – 0.46 | |
Collagen and elastin fibre organisation [AU] | 0.88 | 0.32 – 0.98 | 32.02 | 18.06 [95.33] | −168.80 – 204.90 | |
SEsm [AU] | 0.96 | 0.84 – 0.99 | 0.07 | −0.61 [10.65] | −21.48 – 20.26 | |
SEr [AU] | 0.76 | 0.06 – 0.94 | 0.48 | −0.24 [2.06] | −4.28 – 3.79 | |
SEsc [AU] | 0.78 | 0.14 – 0.94 | 0.08 | −0.07 [0.64] | −1.32 – 1.18 | |
5th met. base | Hydration [AU] | 0.92 | 0.73 – 0.98 | 0.15 | −1.10 [2.77] | −6.51 – 4.32 |
Elasticity [mm] | 0.80 | 0.11 – 0.95 | 0.34 | −0.02 [0.16] | −0.33 – 0.30 | |
Collagen and elastin fibre organisation [AU] | 0.98 | 0.92 – 1.00 | 4.16 | 1.61 [36.50] | −69.92 – 73.14 | |
SEsm [AU] | 0.72 | 0.24 – 0.90 | 0.44 | −4.18 [22.91] | −49.09 – 40.73 | |
SEr [AU] | 0.66 | 0.03 – 0.88 | 0.31 | 0.11 [1.16] | −2.17 – 2.38 | |
SEsc [AU] | 0.72 | 0.23 – 0.90 | 0.49 | 0.17 [1.21] | −2.20 – 2.53 | |
Bland – Altman data | ||||||
ICC agreement | 95 % CI | SEM consistency | Mean difference [SD] | 95 % LOA | ||
Investigator B | ||||||
Callus | Hydration [AU] | 0.40 | −3.17 – 0.90 | 0.73 | −0.99 [3.67] | −8.18 – 6.19 |
Elasticity [mm] | 0.98 | 0.82 – 1.00 | 0.02 | 0.01 [0.17] | −0.34 – 0.35 | |
Collagen and elastin fibre organisation [AU] | 1.00 | 0.92 – 1.00 | 5.62 | 18.87 [46.12] | −71.54 – 109.30 | |
SEsm [AU] | 0.82 | 0.11 – 0.96 | 0.34 | 4.97 [22.52] | −39.17 – 49.11 | |
SEr [AU] | 0.84 | 0.19 – 0.97 | 0.43 | 0.40 [1.99] | −3.50 – 4.30 | |
SEsc [AU] | 0.89 | 0.02 | −0.15 [0.24] | −0.61 – 0.31 | ||
Heel fissure | Hydration [AU] | 0.89 | −0.28 – 1.00 | 0.94 | 0.29 [3.21] | −6.01 – 6.60 |
Elasticity [mm] | 0.95 | −0.05 – 1.00 | 0.00 | −0.06 [0.02] | −0.10 – 0.01 | |
SEsm [AU] | 0.68 | 0.94 – 5.03 | 12.62 | 4.97 [22.52] | −39.17 – 49.11 | |
SEr [AU] | 0.67 | 0.98 – 32.45 | 1.21 | 0.44 [2.29] | −4.05 – 4.94 | |
SEsc [AU] | 0.61 | 0.98 – 20.97 | 0.02 | 0.06 [0.17] | −0.28 – 0.39 | |
Fissure depth [μm] | 0.64 | 0.47 – 0.93 | 49.90 | 5.56 [14.06] | −270.10 – 281.20 | |
Xerotic plantar heel skin | Hydration [AU] | 0.84 | −0.52 – 0.98 | 0.64 | 0.68 [2.40] | −4.03 – 5.38 |
Elasticity [mm] | 0.40 | 7.74 – 0.96 | 0.01 | −0.18 [0.07] | −0.15 – 0.12 | |
Collagen and elastin fibre organisation [AU] | 0.86 | −0.19 – 0.99 | 6.55 | −16.98 [19.34] | −54.88 – 20.93 | |
SEsm [AU] | 0.76 | 0.71 – 0.98 | 8.04 | −15.60 [21.64] | −58.01 – 26.82 | |
SEr [AU] | 0.37 | 0.66 – 0.94 | 0.05 | −0.64 [0.58] | −1.77 – 0.49 | |
SEsc [AU] | 0.86 | 0.22 – 0.99 | 0.06 | 0.11 [0.19] | −0.26 – 0.48 | |
PMA | Hydration [AU] | 1.00 | 0.89 – 1.00 | 0.00 | −1.43 [1.92] | −5.20 – 2.33 |
Elasticity [mm] | 0.55 | −6.05 – 0.94 | 0.04 | 0.00 [0.15] | −3.00 – 0.30 | |
Collagen and elastin fibre organisation [AU] | 0.96 | 0.75 – 0.99 | 5.42 | −5.96 [37.55] | −79.56 – 67.64 | |
SEsm [AU] | 0.95 | 0.81 – 0.99 | 1.46 | 5.33 [11.50] | −17.21 – 27.87 | |
SEr [AU] | 0.89 | 0.58 – 0.97 | 0.09 | −0.05 [1.04] | −2.10 – 1.98 | |
SEsc [AU] | 0.89 | 0.59 – 0.97 | 0.28 | −0.21 [0.42] | −1.02 – 0.61 | |
5th met. base | Hydration [AU] | 0.91 | 0.72 – 0.98 | 0.16 | −1.20 [3.90] | −8.85 – 6.45 |
Elasticity [mm] | 0.54 | −0.45 – 0.88 | 0.03 | 0.05 [0.10] | −0.14 – 0.25 | |
Collagen and elastin fibre organisation [AU] | 0.99 | 0.95 – 1.00 | 3.17 | −65.61 [88.91] | −65.61 – 88.91 | |
SEsm [AU] | 0.92 | 0.78 – 0.97 | 2.93 | −4.16 [11.29] | −26.30 – 17.97 | |
SEr [AU] | 0.84 | 0.52 – 0.94 | 0.12 | 0.51 [0.90] | −1.26 – 2.28 | |
SEsc [AU] | 0.88 | 0.67 – 0.96 | 0.07 | 0.03 [0.48] | −0.91 – 0.96 | |