Table 3 kappa agreement for inter-rater variability analysis in overall raters, expert-raters, and non-expert raters
From: Skin model for improving the reliability of the modified Rodnan skin score for systemic sclerosis
Overall kappa | 95%CI | Kappa of expert | 95%CI | Kappa of non-expert | 95%CI | |
|---|---|---|---|---|---|---|
Assessment without skin model | 0.4 | 0.39–0.41 | 0.5 | 0.47–0.53 | 0.3 | 0.27–0.33 |
Assessment skin model | 0.5 | 0.49–0.51 | 0.5 | 0.47–0.53 | 0.5 | 0.47–0.53 |
Percentage of difference | 25.0% | – | 0% | – | 66.7% | – |