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. 2007 Apr;83(2):79–81. doi: 10.1136/sti.2006.024653

Table 1 Pathogens isolated from urethra of men with urethritis in more recent studies (as percentage).

Study Population studied Chlamydia trachomatis Mycoplasma genitalium Trichomonas vaginalis Other No pathogen
Bradshaw et al20 Only symptomatic 20 9 1 7 63
Falk et al5 >10 PMN/hpf 22.5 12.5 65
Anagrius et al4 All attendees 7.4 7.7 84.9
Geisler et al26 All attendees 27 Not done 73
Marrazzo et al9 All attendees 17 Not done 83

PMN, polymorphonuclear leucocytes; hpf, high power field.