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Volume 14, Number 9—September 2008


Emergence and Spread of Chlamydia trachomatis Variant, Sweden

Björn HerrmannComments to Author , Anna Törner, Nicola Low, Markus Klint, Anders Nilsson, Inga Velicko, Thomas Söderblom, and Anders Blaxhult
Author affiliations: Uppsala University Hospital, Uppsala, Sweden (B. Herrmann, M. Klint, A. Nilsson); Swedish Institute for Infectious Disease Control, Solna, Sweden (A.Törner, I. Velicko, T. Söderblom, A. Blaxhult); University of Bern, Bern, Switzerland (N. Low);

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Table 2

Distribution of cases of nvCT by gender, age, and clinic category in 4 selected counties that used the Becton Dickinson system*

Factor % nvCT (n/N) p value†
Male 16 (45/273) 0.103
12 (39/327)

Age, y
15–19 14 (23/162) 0.558
20–24 16 (44/279)
25–29 11 (11/98)
10 (6/59)

Venereal disease 15 (19/129) 0.020
Youth clinics 19 (39/210)
Gynecology 9 (13/150)
Antenatal/general practice 8 (6/77)
Others 21 (7/34)

*nvCT, new variant of Chlamydia trachomatis; n, number of nvCT cases detected; N, total number of C. trachomatis cases detected.
†Determined by χ2 test.

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