TABLE 4

Relative sensitivity and specificity of the ICA

Performance parameterValue95% CIa
Sensitivity (%)93.9085.19–98.29
Specificity (%)99.6098.57–99.94
Positive likelihood ratio237.2059.40–947.12
Negative likelihood ratio0.060.02–0.16
Disease prevalence (%)11.569.05–14.47
Positive predictive value (%)96.8889.14–99.53
Negative predictive value (%)99.2197.99–99.78
  • a 95% CI, 95% confidence interval.