TABLE 1.
Characteristics of the syphilitic rabbits included in this studya
| Variable | Data |
|---|---|
| No. of rabbits | 50 |
| Duration of infection (days [mean ± SD]) | 9.60 ± 1.62 |
| No. (%) of rabbits with more than 1 × 107 treponemes/mL extracted from testes | 34 (68.0) |
| No. (%) of positive serum TPPA tests | 50 (100) |
| 1/serum TPPA test titer (median [range]) | 1,280 (80–10,240) |
| No. (%) of positive serum TRUST | 38 (76.0) |
| 1/serum positive TRUST titer (median [range]) | 4 (1–64) |
a
TPPA, Treponema pallidum particle agglutination; TRUST, toluidine red unheated serum test.