Screening for Chlamydial Infection: An Evidence Update. Table 1

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You Are Here: AHRQ Home > Clinical Information > U.S. Preventive Services Task Force > Topic Index > Screening: Chlamydial Infection > Evidence Update

Table 1. Summary of Evidence Reviewed for the U.S. Preventive Services Task Force Update on Screening for Chlamydial Infection

Variable	Nonpregnant Women		Pregnant Women		Men
Variable	At Risk	Not at Risk	At Risk	Not at Risk	Men
Direct evidence that screening reduces adverse health outcomes	Good^a	Poor^a,b	Poor^a,b	Poor^a,b	Poor^a,b
Ability of screening tests to identify infection in asymptomatic individuals	Fair^c	Fair^b	Fair^b	Fair^b	Fair^b
Ability of treatment to reduce adverse health outcomes	Not assessed^d	Not assessed^d	Fair^b	Fair^b	Health outcomes in men: not systematically reviewed^e Health outcomes in women: poor^b
Harms of screening	Poor^b	Poor^b	Poor^b	Poor^b	Poor^b
Harms of treatment	Not assessed^e	Not assessed^e	Not assessed^e	Not assessed^e	Not systematically reviewed^e

Notes:
a. Based on a systematic evidence review conducted in 2005.
b. Because of lack of data.
c. Based on a systematic evidence review conducted in 2001.
d. Assessed in 2001 to be small.
e. Assessed a priori to be small.

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