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. 2009 Jun 3;47(8):2510–2512. doi: 10.1128/JCM.00287-08

TABLE 2.

Number of samples with organisms that could be typed by stage of syphilis and type of sample

Stage of syphilis No. of samples with organism that could be typed/total no. of samples tested (%)
Blood Plasma Ear lobe scrapings Lesion
Primary 3/4 (75) 5/6 (83.3) 4/4 (100) 7/9 (77.7)
Secondary 3/4 (75) 4/5 (80) 3/3 (100) 6/6 (100)
Latent 7/14 (50) 11/21 (52.4) 9/14 (64.3)
    Total 13/22 (59.1) 20/32 (62.5) 16/21 (76.2) 13/15 (86.7)