Table 2 Kappa estimates, 95% confidence interval (95% CI), per cent of weighted agreement for two raters (paramedics) and paramedics and research assistants (three raters)

Paramedics (2 raters)

Kappa estimate

95% CI

Weighted agreement (%)

All (n = 251)

0.84

0.79; 0.88

93

North Denmark Region (n = 130)

0.83

0.77; 0.89

93

Faroe Islands (n = 28)

0.73

0.56; 0.89

88

Central Denmark Region (n = 93)

0.87

0.80; 0.93

95

Paramedics and observer (3 raters)

Kappa estimate

95% CI

Weighted agreement (%)

All*(n = 158)

0.82

0.77; 0.86

92

North Denmark Region (n = 130)

0.82

0.77; 0.87

93

Faroe Islands (n = 28)

0.76

0.62; 0.90

90