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

Table 3

Mean (SD) spine curvature values over 3 trials acquired by 2 raters in 9 women with spine osteoporosis.

PatientCervicothoracic angleaThoracolumbar angleaLumbosacral angleaKyphotic indexbLordotic indexb
Rater 1Rater 2Rater 1Rater 2Rater 1Rater 2Rater 1Rater 2Rater 1Rater 2

151.0 (2.6)41.7 (0.6)77.3 (1.5)66.7 (4.0)34.0 (2.6)28.3 (4.9)16.5 (0.5)16.8 (1.6)13.9 (0.2)11.4 (3.3)
248.7 (12.7)16.8 (1.0)36.0 (11.3)27.0 (2.0)44.3 (4.0)39.7 (2.1)6.6 (0.6)47.0 (1.7)19.6 (1.0)7.4 (0.7)
341.0 (0.0)22.7 (0.6)47.7 (1.2)47.3 (0.6)20.7 (1.5)38.7 (1.2)12.3 (1.1)12.9 (0.4)9.4 (1.2)10.2 (0.5)
418.7 (2.1)16.3 (1.2)28.7 (3.2)25.7 (2.1)30.0 (0.0)31.7 (1.2)5.7 (0.7)5.9 (1.1)11.7 (0.4)12.3 (1.2)
542.0 (3.5)42.3 (1.5)51.0 (5.0)65.7 (1.5)22.0 (3.6)36.0 (2.0)15.6 (1.7)18.4 (1.6)17.1 (2.3)17.0 (1.4)
642.7 (3.8)55.7 (1.5)55.7 (3.5)77.0 (2.6)31.0 (2.0)33.7 (1.5)18.6 (0.5)20.4 (1.1)16.3 (0.7)14.4 (0.7)
728.7 (1.5)34.7 (2.1)39.0 (1.0)44.7 (2.1)16.0 (1.7)14.0 (1.0)8.8 (1.4)7.6 (0.8)8.0 (2.3)9.9 (1.4)
828.3 (0.6)40.0 (1.0)45.3 (0.6)57.0 (1.7)33.0 (1.0)29.0 (2.0)13.4 (0.8)15.0 (0.6)13.5 (1.0)16.3 (0.7)
939.0 (3.6)47.0 (2.0)54.0 (3.6)59.3 (3.1)38.0 (2.6)38.0 (1.0)16.2 (0.6)19.3 (1.6)15.8 (0.9)16.5 (1.2)

ameasured using digital inclinometer, degrees
bmeasured using flexicurve ruler.