Table 3 Correlation coefficient, p value and confidence interval between gait parameters and CKD severity (n = 45)
Pearson' r (p value) [95% CI] | Spearman's rs (p value) [95% CI] | Regression coefficient (p value) [95% CI] | |
|---|---|---|---|
Spatio-temporal parameters | |||
Gait speed (m/s) | -0.55 (p < 0.01) [-0.73;-0.30] | -0.53 (p < 0.01) [-0.72;-0.28] | -0.07 (p < 0.01) [-0.12;-0.02] |
Cadence (steps/min) | -0.18 (p = 0.23) [-0.45;0.12] | -0.14 (p = 0.34) [-0.44;0.16] | -0.51 (p = 0.70) [-3.2;2.2] |
Stride time (s) | 0.22 (p = 0.15) [-0.08;0.48] | 0.15 (p = 0.33) [-0.20;0.43] | 0.01 (p = 0.52) [-0.02;0.04] |
Stride length (m) | -0.40 (p < 0.01) [-0.62;-0.12] | -0.39 (p < 0.01) [-0.62;-0.13] | -0.06 (p = 0.05) [-0.11;-0.001] |
Step time (s) | 0.21 (p = 0.16) [-0.09;0.47] | 0.14 (0.37) [-0.17;0.44] | 0.004 (p = 0.55) [-0.01;0.02] |
Step length (m) | -0.41 (p < 0.01) [-0.63;-0.13] | -0.39 (p < 0.01) [-0.62;-0.10] | -0.03 (p = 0.04) [-0.06;-0.001] |
Variability | |||
CV Stride time | 0.22 (p = 0.18) [-0.08;0.48] | 0.29 (p = 0.05) [0.02;0.52] | 0.29 (p = 0.31) [-0.28;0.86] |
CV Stride length | 0.19 (p = 0.20) [-0.11;0.46] | 0.22 (p = 0.14) [-0.05;0.45] | 0.34 (p = 0.37) [-0.41;1.10] |
CV Step time | 0.02 (p = 0.90) [-0.28;0.31] | 0.13 (p = 0.39) [-0.22;0.42] | 0.36 (p = 0.52) [-0.76;1.48] |
CV Step length | 0.36 (p = 0.01) [0.08;0.59] | 0.37 (p = 0.01) [0.06;0.64] | 1.42 (p = 0.02) [0.21;2.62] |
Gait regularity | -0.38 (p < 0.01) [-0.61;-0.10] | -0.48 (p < 0.01) [-0.69;-0.23] | -0.02 (p = 0.06) [-0.05;0.001] |
Dual-task cost of gaita | |||
Gait speed (%) | 0.40 (p < 0.01) [0.13;0.62] | 0.34 (p = 0.02) [0.03;0.59] | 2.52 (p = 0.03) [0.32;4.72] |
Cadence (%) | 0.28 (p = 0.07) [-0.02;0.53] | 0.20 (p = 0.19) [-0.09;0.50] | 1.10 (p = 0.13) [-0.35;2.55] |
Stride time (%) | 0.32 (p = 0.03) [0.03;0.57] | 0.26 (p = 0.09) [-0.04;0.54] | 1.71 (p = 0.06) [-0.05;3.47] |
Stride length (%) | 0.12 (p = 0.43) [-0.18;0.40] | 0.15 (p = 0.34) [-0.13;0.40] | 0.85 (p = 0.36) [-0.99;2.70] |