Skip to main content

Table 2 Intra and Inter-rater reliability of Questions 1 to 5 on the Charcot Radiological Staging Scale and the total score

From: A radiological severity scale to measure the impact of Charcot’s Neuroarthropathy: an observational study

MeasureRaterQ1
Kappa (SEa)
Q2
Kappa (SEa)
Q3
Kappa (SEa)
Q4
Kappa (SEa)
Q5
Kappa (SEa)
Median total score (IQRb)Total Score
Kappa (SEa)
Intra-raterNovice Podiatrist0.84 (0.19)0.86 (0.20)0.44 (0.20)0.78 (0.20)0.73 (0.20)5 (3–6)0.84 (0.20)
Expert Podiatrist0.49 (0.20)0.80 (0.20)0.58 (0.19)0.65 (0.19)0.86 (0.20)5 (4–6)0.86 (0.20)
Radiologist0.82 (0.19)0.87 (0.20)0.67 (0.20)0.58 (0.20)0.84 (0.20)4.5 (3–6)0.86 (0.20)
Inter-raterNovice Podiatrist/ Expert Podiatrist0.61 (0.13)0.78 (0.14)0.32 (0.14)0.46 (0.14)0.79 (0.14) 0.83 (0.14)
Novice Podiatrist/ Radiologist0.75 (0.14)0.77 (0.14)0.31 (0.14)0.09 (0.08)0.70 (0.14) 0.72 (0.14)
Expert Podiatrist/Radiologist0.58 (0.12)0.65 (0.14)0.36 (0.14)0.10 (0.06)0.74 (0.14) 0.74 (0.14)
  1. aSE Standard Error, bIQR Interquartile Range