Table 2: Accuracy parameters between level 1 (platelets from 25,000 to 50,000 dL) and level 2 (platelets from 50,000 to 75,000 dL) using Wilson score.

ParameterEstimateLower-upper 95% confidence interval

Sensitivity77.69%(69.48, 84.19)
Specificity50.47%(41.14, 59.76)
Positive predictive value63.95%(55.92, 71.26)
Negative predictive value66.67%(55.85, 75.97)
Diagnostic accuracy64.91%(58.52, 70.81)