Table II.

The interobserver reliability of individual cortex scores and total RUSHU score, and intraobserver reproducibility at six and 12 weeks.

Cortex	Interobserver ICC, 6 weeks (95% CI)	Interobserver ICC, 12 weeks (95% CI)
Lateral	0.65 (0.56 to 0.72)	0.68 (0.59 to 0.74)
Medial	0.68 (0.60 to 0.75)	0.58 (0.48 to 0.66)
Anterior	0.62 (0.53 to 0.70)	0.63 (0.54 to 0.71)
Posterior	0.64 (0.55 to 0.71)	0.70 (0.63 to 0.77)
Total RUSHU score	0.78 (0.72 to 0.83)	0.77 (0.71 to 0.82)
Intraobserver ICC reader 1	0.94 (0.91 to 0.96)	0.98 (0.97 to 0.99)
Intraobserver ICC reader 2	0.87 (0.79 to 0.92)	0.93 (0.88 to 0.96)

ICC, intraclass correlation coefficient; RUSHU, Radiographic Union Score for HUmeral Fractures.