Microorganism | Total, N=491, n (%) | G0 (≤2), N=364, n (%) | G1 (3–4), N=57, n (%) | G2 (≥5), N=70, n (%) |
Samples positive for any microorganism | 148 (30%) | 92 (25%) | 18 (32%) | 38 (54%) |
≥2 microorganisms/sample | 11 (2%) | 6 (2%) | 2 (3%) | 3 (4%) |
Detection of individual organisms | ||||
Ureaplasma urealyticum | 55 (11%) | 46 (13%) | 3 (5%) | 6 (9%) |
Chlamydia trachomatis | 34 (7%) | 20 (5.5%) | 6 (10%) | 8 (11%) |
Neisseria gonorrhoeae | 30 (6%) | 3 (1%) | 3 (5%) | 24 (34%) |
*Haemophilus parainfluenzae | 13 (3%) | 10 (3%) | 3 (5%) | – |
*Haemophilus influenzae | 7 (1%) | 7 (2%) | – | – |
*Candida sp. | 3 (1%) | 2 (0.5%) | 1 (2%) | – |
*Shaphylococcus aureus | 3 (1%) | 1 (0.3%) | 2 (3%) | – |
*Streptococcus agalactiae | 6 (1%) | 5 (1%) | – | 1 (1%) |
*Escherichia coli | 6 (1%) | 4 (1%) | 1 (2%) | 1 (1%) |
*Mycoplasma hominis | 2 (0.5%) | 1 (0.3%) | 1 (2%) | – |
Detection of coinfection with two or more organisms | ||||
Ureaplasma urealyticum + Chlamydia trachomatis | 4 (0.8%) | 2 (0.5%) | 1 (2%) | 1 (1%) |
Ureaplasma urealyticum + Chlamydia trachomatis + *Haemophilus parainfluenzae | 1 (0.2%) | 1 (0.3%) | – | – |
Chlamydia trachomatis + Neisseria gonorrhoeae | 1 (0.2%) | – | – | 1 (1%) |
Ureaplasma urealyticum + *Streptococcus agalactiae | 2 (0.5%) | 1 (0.3%) | – | 1 (1%) |
Ureaplasma urealyticum + *Haemophilus influenzae | 1 (0.2%) | 1 (0.3%) | – | – |
Ureaplasma urealyticum + *M Mycoplasma hominis | 1 (0.2%) | 1 (0.3%) | – | – |
Ureaplasma urealyticum + *Shaphylococcus aureus | 1 (0.2%) | – | 1 (2%) | – |
↵* Microorganisms considered to be an uncommon cause of urethritis.
PMNLs/HPF, polymorphonuclear leucocytes per high-power field.