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A comparison of clinical features between chlamydial and non-chlamydial urethritis in men negative for gonococcal infection who attended a urological outpatient clinic in Japan

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Abstract

Objectives

The objective of this study was to investigate the clinical features of non-gonococcal urethritis in men who attended a urological outpatient clinic in Japan.

Materials and methods

This study included a total of 194 patients diagnosed as having non-gonococcal urethritis and subsequently judged as cured following antibiotic therapy between January 2001 and June 2005. Clinical data were analyzed after dividing these patients into two groups as follows: 96 patients with chlamydial urethritis (CU) and 98 with non-chlamydial urethritis (NCU).

Results

The incubation period in the CU group was significantly longer than that in the NCU group (P = 0.0020). The incidence of severity of symptoms in the NCU group was significantly greater than that in the CU group (P = 0.022), and the interval between the appearance of the initial symptom and consulting the clinic was significantly shorter in the NCU group than in the CU group (P = 0.0015). The proportion of commercial sex workers (CSWs) as the causative partner in the NCU group was significantly greater that in the CU group (P < 0.001), and the incidence of oral sex as the causative mode of sexual interaction was significantly more frequent in the NCU group than that in the CU group (P = 0.021). The duration of antibiotic therapy until cured was significantly longer in the CU group than in the NCU group (P = 0.0051). Furthermore, multivariate analysis showed that whether the infection involved CU or NCU was independently associated with the treatment interval irrespective of other factors examined (P = 0.041).

Conclusions

These findings suggest that the clinical characteristics of CU and NCU clearly differ and that CU tends to require a longer time to cure than NCU; therefore, among patients with non-gonococcal urethritis, it would be particularly important to effectively control the spread of CU.

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Authors and Affiliations

  1. Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan

    Toshifumi Kurahashi, Hideaki Miyake, Yuzo Nakano, Kazushi Tanaka, Atsushi Takenaka, Isao Hara, Soichi Arakawa & Masato Fujisawa

  2. Department of Urology, Hara Genitourinary Hospital, Kobe, Japan

    Masashi Shinozaki & Nobutoshi Oka

Authors
  1. Toshifumi Kurahashi
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  2. Hideaki Miyake
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  3. Yuzo Nakano
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  4. Masashi Shinozaki
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  5. Nobutoshi Oka
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  6. Kazushi Tanaka
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  7. Atsushi Takenaka
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  8. Isao Hara
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  9. Soichi Arakawa
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  10. Masato Fujisawa
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Corresponding author

Correspondence to Hideaki Miyake.

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Kurahashi, T., Miyake, H., Nakano, Y. et al. A comparison of clinical features between chlamydial and non-chlamydial urethritis in men negative for gonococcal infection who attended a urological outpatient clinic in Japan. Int Urol Nephrol 39, 809–813 (2007). https://doi.org/10.1007/s11255-006-9149-7

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  • DOI: https://doi.org/10.1007/s11255-006-9149-7

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