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. 2021 May 7;19:34–41. doi: 10.1016/j.jcot.2021.05.001

Table 6.

Inter-observer and intra-observer reliability for RUST scoring: Weighted kappa (95% confidence interval; percent agreement).

Reliability of RUST Scoring Observer no. 1
Observer no. 2
Setting 1 (H1A) Setting 2 (H1B) Setting 1 (H2A) Setting 2 (H2B)
Observer no. 1 Setting 1 (H1A) 1.00 (1,1; 100%) -- -- --
Setting 2 (H1B) 0.7737 (0.56, 0.98; 92.85%) 1.00 (1,1; 100%) -- --
Observer no. 2 Setting 1 (H2A) 0.7570 (0.53, 0.98; 92.85%) 0.6355 (0.37, 0.90; 89.28%) 1.00 (1,1; 100%) --
Setting 2 (H2B) 0.7265 (0.50, 0.95; 91.07%) 0.7265 (0.50, 0.95; 91.07%) 0.8250 (0.64, 0.89; 94.64%) 1.00 (1,1; 100%)