Table 5: Results from the analysis of physical examinations producing categorical data.

TestPercentage agreementWeighted kappaStrength of agreement
ExactCloseExact and close

Validity67.709.1076.800.50Fair
PainIntra-rater reliability94.103.1097.200.95Almost Perfect
Inter-rater reliability93.603.6097.200.95Almost Perfect

Validity80.8015.2096.000.66Substantial
Severity scaleIntra-rater reliability88.509.2097.700.83Almost Perfect
Inter-rater reliability85.0014.2099.200.83Almost Perfect