Table 3

κ Values between both scorers during the initial LCFC scoring round of the entire LCFC cohort, (n=65) and during initial and repeat scoring rounds of the subset of 22 scans

Initial scoring (entire cohort: n=65)Initial scoring* (subset: n=22)Rescoring* (n=22)
Bronchial dilatation0.21 (0.05 to 0.37)0.38 (0.01 to 0.76)0.24 (−0.27 to 0.75)
Air trapping0.66 (0.49 to 0.83)0.58 (0.37 to 0.79)0.80 (0.67 to 0.93)
Total CT scores0.34 (0.20 to 0.49)0.38 (0.13 to 0.62)0.67 (0.48 to 0.86)
  • Results presented as mean (95% CI) linear weighted κ coefficient.

  • *Scans from 22/65 LCFC infants were selected, results of which are summarised both for initial values and after rescoring.

  • LCFC, London Cystic Fibrosis Collaboration.