[Table], Table 2. Percentage of patients with positive serologic test results in untreated syphilis - Screening for Infectious Diseases Among Substance Abusers

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Table 2. Percentage of patients with positive serologic test results in untreated syphilis
	Stage of Disease
	Primary	Secondary	Latent	Late
VDRL	59--87	100	73--91	37--94
FTA--ABS	86--100	99--100	96--99	96--100
MHA-TP	64--87	96--100	96--100	94--100*
*Includes some patients whose treatment status is unknown
SOURCE: Jaffe, H.W., and Musher, D.M. Management of the reactive syphilis serology. In: Holmes, K.; Mardh, P.; Sparling, P.; Wiesner, P.; Cates, Jr., W.; Lemon, S.; and Stamm, W. Sexually Transmitted Diseases. 2d. ed. New York: McGraw-Hill, 1990, p. 935. Copyright 1990. Reprinted with permission of McGraw-Hill, Inc.

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Treatment Improvement Protocol (TIP) Series, No. 6.

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