Table 1 Frequency of misclassifications between the AI categories derived from the computer graphics tablet scores and examiners’ categories in each session
From: Visual categorisation of the arch index: a simplified measure of foot posture in older people
|  | n (%) correct observations | n (%) misclassifications, real AI higher than examiner’s score | n (%) misclassifications, real AI lower than examiner’s score |
|---|---|---|---|
Examiner 1 | Â | Â | Â |
  Session 1 | 55 (92) | 4 (7) | 1 (2) |
  Session 2 | 53 (88) | 6 (10) | 1 (2) |
Examiner 2 | Â | Â | Â |
  Session 1 | 49 (82) | 10 (17) | 1 (2) |
  Session 2 | 51 (85) | 8 (13) | 1 (2) |