Skip to main content

Table 4 Intra- and inter-observer reliability of the sagittal spinopelvic parameters evaluated using intra- and inter-class correlation coefficients

From: Association of global sagittal spinal deformity with functional disability two years after total hip arthroplasty

  C7 sagittal vertical axis Lumbar lordosis Pelvic incidence T1 pelvic angle
Intra-class Correlation Coefficient
 Observer 1 0.71 (0.61–0.83) 0.72 (0.58–0.81) 0.74 (0.61–0.84) 0.77 (0.61–0.85)
 Observer 2 0.67 (0.52–0.82) 0.69 (0.62–0.84) 0.73 (0.67–0.86) 0.76 (0.64–0.83)
 Observer 3 0.70 (0.64–0.82) 0.71 (0.65–0.87) 0.72 (0.64–0.87) 0.78 (0.63–0.82)
Inter-class Correlation Coefficient
  0.67 (0.55–0.76) 0.63 (0.53–0.74) 0.74 (0.58–0.83) 0.80 (0.61–0.84)
  1. Values are given as coefficients with a corresponding 95% confidence interval in parentheses