Table 3

Classification rates for SEN as the outcome variable

Classification rateDefinitionValue95% CIs
Sensitivity% of children identified as having SEN without good development0.770.76 to 0.78
Specificity% of children not identified as having SEN with good development0.740.73 to 0.74
Positive predictive valueProbability a child who did not reach good development being identified as having SEN0.490.48 to 0.50
Negative predictive valueProbability a child who reached good development was not identified as having SEN0.910.90 to 0.91
Correct classification rates% of children correctly classified as at risk/not at risk of being identified as having SEN based on school readiness0.740.74 to 0.75
  • SEN, special educational needs.