Table 5.

Summary of harm measures and their weighted Cohen’s kappas19

What measured?ScaleModified kappa95% CI
NES trigger toolSeverity1–40.8 (good)0.65 to 0.95
WHOSeverity1–50.58 (moderate)0.28 to 0.88
Hogan HealeyPreventability1–60.50 (moderate)0.1 to 0.89
  • NES = NHS Education Scotland. WHO = World Health Organization.