Skip to main content
. 1999 Dec;37(12):3888–3895. doi: 10.1128/jcm.37.12.3888-3895.1999

TABLE 5.

Diagnostic sensitivity and specificity and positive and negative predictive values of dot blot assay with rP30 relative to the E. chaffeensis IFA

IFA cutoff Dot blot density cutoff Relative diagnostic sensitivity (%) Relative diagnostic specificity (%) Positive predictive value (%) Negative predictive value (%)
1:20 0 92 100 100 87
1:80 23 90 93 93 89