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Table 3 Numbers testing positive for C. trachomatis by age group

From: Delivery of chlamydia screening to young women requesting emergency hormonal contraception at pharmacies in Manchester, UK: a prospective study

  ALL Under 16 16–19 20–24
Number of test results 264 20 119 125
Number Positive (%) 24 (9.1%) 1 (5%) 6 (5.0%) 17 (13.6%)
95% CI* 6.2 to 13.2% 0.3 to 23.6% 2.3 to 10.6% 8.7 to 20.7%
  1. *CI: Confidence intervals