Research Article

Optimizing Reliability of Digital Inclinometer and Flexicurve Ruler Measures of Spine Curvatures in Postmenopausal Women with Osteoporosis of the Spine: An Illustration of the Use of Generalizability Theory

Figure 1

The results of the design study for optimizing inter-trial reliability are illustrated in which the influence of having different numbers of raters is shown as a function of the number of trials for (a) spine curvature angles (degrees) measured using the digital inclinometer and (b) kyphotic index and lordotic index measured using the flexicurve ruler. The results of the design study for optimizing inter-rater reliability are illustrated in which the influence of performing different numbers of trials is shown as a function of raters for (c) spine curvature angles (degrees) measured using the digital inclinometer, and (d) kyphotic index and lordotic index measured using the flexicurve ruler.
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(b)
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(c)
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(d)