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Table 4 Metrics of qPCR efficacy compared to the positive or negative babesiosis disease state as determined by IFA and microscopy

From: A novel quantitative PCR detects Babesia infection in patients not identified by currently available non-nucleic acid amplification tests

qPCR Metrics

Point Estimate

95% Confidence Interval (Lower Bound, Upper Bound)*

Standard Error

Sensitivity

96.2%

(91.1%, 100.0%)

2.6%

Specificity

70.5%

(62.9%, 78.1%)

3.9%

Positive Predictive Value

55.4%

(45.3%, 65.6%)

5.2%

Negative Predictive Value

98.0%

(95.3%, 100.0%)

1.4%

  1. *Confidence intervals with upper bounds >100% are shown as 100%