TABLE 2.
Summary of all results for the 323 patients tested both by T. pallidum PCR and by serology
Pattern of results and no. of samples | Result by: |
||||||
---|---|---|---|---|---|---|---|
Serologya |
PCR |
||||||
CMIA | TPPA | RPR | Consensusb | T. pallidum | HSV-1 | HSV-2 | |
T. pallidum PCR positive, serology positive | |||||||
1 | Pos | Pos | NR | Pos | Pos | N/P | N/P |
3 | Pos | Pos | NR | Pos | Pos | Neg | Neg |
11 | Pos | Pos | Pos | Pos | Pos | N/P | N/P |
39 | Pos | Pos | Pos | Pos | Pos | Neg | Neg |
7 | Pos | Pos | Pos | Pos | Pos | Neg | Pos |
T. pallidum PCR positive, serology negative (2) | Neg | N/P | N/P | Neg | Pos | Neg | Neg |
T. pallidum PCR negative, serology positive | |||||||
2 | Pos | Pos | NR | Pos | Neg | N/P | N/P |
4 | Pos | Pos | NR | Pos | Neg | Neg | Neg |
7 | Pos | Pos | Pos | Pos | Neg | N/P | N/P |
17 | Pos | Pos | Pos | Pos | Neg | Neg | Neg |
T. pallidum PCR negative, serology negative | |||||||
42 | N/A | N/A | N/A | Neg | Neg | N/P | N/P |
119 | N/A | N/A | N/A | Neg | Neg | Neg | Neg |
15 | N/A | N/A | N/A | Neg | Neg | Pos | Neg |
53 | N/A | N/A | N/A | Neg | Neg | Neg | Pos |
1 | N/A | N/A | N/A | Neg | Neg | Pos | Pos |
CMIA, chemiluminescence immunoassay; TPPA, Treponema pallidum particle agglutination; RPR, rapid plasma reagin; Pos, positive; Neg, negative; NR, nonreactive; N/P, not performed; N/A, not applicable (syphilis serology was assessed as negative due to a nonreactive CMIA, or serology that was reactive but unchanged from a previous test result).
Syphilis serology assessed as positive or negative based on previous results.