Table 4

Positive predictive values according to the two raters (senior psychiatrists) who assessed the NPR cases, by ICD version

 Tic disordersOCD
Rater 1Rater 2Rater 1Rater 2
Total0.92 (0.82–0.97)0.92 (0.82–0.97)0.72 (0.60–0.82)0.71 (0.58–0.81)
ICD version
 ICD-80.89 (0.64–0.98)0.89 (0.64–0.98)0.55 (0.32–0.76)0.55 (0.32–0.76)
 ICD-90.86 (0.56–0.97)0.86 (0.56–0.97)0.64 (0.43–0.81)0.64 (0.43–0.81)
 ICD-100.97 (0.82–0.99)0.97 (0.82–0.99)0.96 (0.76–0.99)0.91 (0.70–0.98)
  • CIs in brackets.

  • ICD, ICD, International Classification of Diseases; NPR, National Patient Register.