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. 1999 Oct;37(10):3092–3096. doi: 10.1128/jcm.37.10.3092-3096.1999

TABLE 4.

C. trachomatis prevalences in men and women as determined by the COBAS Amplicor and LCx tests and after discrepancy analysis

Age Males
Females
na No. (%) C. trachomatis positive
n No. (%) C. trachomatis positive
LCx COBAS Amplicor Trueb LCx COBAS Amplicor True
11–15 14 0 (0) 0 (0) 0 (0) 20 1 (5.0) 2 (10) 2 (10)
16–20 65 1 (1.5) 3 (4.6) 2 (3.1) 108 4 (3.7) 6 (5.6) 7 (6.5)
21–25 157 5 (3.2) 7 (4.4) 7 (4.4) 284 8 (2.8) 7 (2.5) 6 (2.1)
26–30 275 12 (4.4) 12 (4.4) 10 (3.6) 466 11 (2.4) 15 (3.2) 15 (3.2)
31–35 339 7 (2.1) 9 (2.7) 9 (2.7) 453 14 (3.1) 12 (2.6) 12 (2.6)
35–40 288 4 (4.1) 4 (4.1) 4 (4.1) 386 8 (2.1) 10 (2.6) 10 (2.6)
11–40 1,138 29 (2.5) 35 (3.1) 32 (2.8) 1,717 46 (2.7) 52 (3.0) 52 (3.0)
a

n, number of persons and urine specimens. 

b

True, positive for C. trachomatis after discrepancy analysis.