Table 4 The validity (n = 28) and reliability (n = 24) findings for the nine postural angles
From: Development of a cost effective three-dimensional posture analysis tool: validity and reliability
| Â | Â | Â | HF | NF | CC | CT | TF | HLB | NLB | HR | TTR |
|---|---|---|---|---|---|---|---|---|---|---|---|
Validity | Estimated bias | Mean difference (d) | -0.74° | -0.64° | 2.65° | 3.69° | -0.83° | 0.01° | 3.57° | -2.70° | -3.93° |
Variation | SD of the differences (s) | 1.96 | 1.68 | 3.95 | 9.24 | 1.09 | 1.84 | 8.78 | 5.19 | 3.25 | |
Limits of agreement | Upper limit (d + 1.96 s) | 3.10 | 2.65 | 10.39 | 21.80 | 1.31 | 3.60 | 20.78 | 7.48 | 2.44 | |
Lower limit (d-1.96Â s) | -4.58 | -3.93 | -5.10 | -14.42 | -2.96 | -3.59 | -13.64 | -12.88 | -10.29 | ||
Width | UL – LL | 7.68° | 6.58° | 15.49° | 36.22° | 4.27° | 7.19° | 34.42° | 20.36° | 12.73° | |
| Â | ICC | Â | 0.86 | 0.69 | 0.64 | 0.37 | 0.78 | 0.54 | 0.45 | 0.29 | 0.38 |
| Â | Student variability | Â | 56.75 | 26.11 | 61.81 | 71.10 | 26.15 | 10.69 | 153.63 | 12.87 | 80.12 |
Reliability | Error variability | Â | 8.86 | 11.29 | 32.37 | 111.79 | 7.04 | 8.71 | 176.26 | 28.05 | 120.70 |
Lower 95% CI | Â | 0.76 | 0.51 | 0.43 | 0.08 | 0.64 | 0.29 | 0.18 | 0.00 | 0.11 | |
Upper 95% CI | Â | 0.96 | 0.87 | 0.86 | 0.66 | 0.92 | 0.78 | 0.72 | 0.61 | 0.66 |