Article Figures & Data
Figures
- Fig. 1
Original, localized brightness, and enhanced images prior to curvature measurements.
- Fig. 2
(A) Computer based calculation of Cobb angle based on pre-designated spinal levels. (B) Surgeons’ average calculation on this patient was 23.6 degrees with a standard deviation of 2.8 degrees.
- Fig. 3
Computer algorithm program-based (PB) determined angle plotted against the determined surgeons’ average angle. Individual determinations are indicated by the symbol o; solid line is the linear regression (r2 =0.90) and dotted lines are the 95% prediction intervals.
- Fig. 4
Bland-Altman Analysis. Difference in angles measured by the two techniques versus the mean angle.
Tables
Surgeons Curve 1 Curve 2 ICC 95% CI ICC 95% CI 1 0.872 0.813-0.917 0.805 0.648-0.914 2 3 4 ICC: Interclass Correlation Coefficient; CI: Confidence Interval.
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