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 2

Characteristics of 9 postmenopausal women with osteoporosis of the spine.

Variable	Mean (SD)	Minimum, maximum
Age (years)	71.6 (8.9)	63, 76
Height (cm)	156.1 (8.7)	147.2, 162
Weight (kg)	71.2 (24.2)	59.4, 94
Cervicothoracic angle (degrees)^a	36.1 (9.99)	17.5, 49.2
Thoracolumbar angle (degrees)^a	51.4 (13.72)	27.2, 72.0
Lumbosacral angle (degrees)^a	31.9 (9.17)	15.0, 50.2
Kyphotic Index^b	13.2 (5.07)	5.8, 19.5
Lordotic Index^b	13.9 (3.22)	9.0, 18.2

^acalculated as mean of the average values acquired by each of the two raters for each subject using the digital inclinometer.
^bsegment width × 100/segment length; calculated as mean of the average values acquired by each of the two raters for each subject using the flexicurve ruler.