Table 4

Inter-rater agreement of triage systems for children

Triage system	Method	N	Measure	Value (95% CI)
ESI version 33	Written case scenarios	20 scenarios	Quadratic weighted kappa	0.84 to 1.00
ESI version 33	Simultaneous triage	272 patients	Quadratic weighted κ	0.59 (0.55 to 0.63)
Three-level triage system18	Written case scenarios	12 scenarios	κ	0.29
Pediatric Canadian Triage and Acuity Scale4	Written case scenarios	55 scenarios	Weighted κ^*	0.51 (0.50 to 0.52)
Pediatric Triage and Acuity Scale4 7	Simultaneous triage	499 patients	Linear weighted κ	0.55 (0.48 to 0.61)
Pediatric Triage and Acuity Scale4 7	Simultaneous triage	499 patients	Quadratic weighted κ	0.61 (0.42 to 0.80)
Four-level triage scale5	Written case scenarios	55 scenarios	Weighted κ^*	0.45 (0.45 to 0.46)
Soterion Rapid Triage System19	Simultaneous triage	117 patients	Weighted κ^*	0.90 (0.83 to 0.96)

↵* Unknown whether linear or quadratic weighted kappa was used. ESI, Emergency Severity Index.