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Table 2 Demographics, risk factors and clinical features, by diagnosis – CT cases and other NGU (controls)

From: Men at risk of gonococcal urethritis: a case-control study in a Darwin sexual health clinic

  CT
n = 34 (28.3%)
Other NGU
n = 86 (71.7%)
OR (95% CI) aOR (95% CI)
Demographics
 Median age, years (IQR) 28.5 (23 to 34) 31 (25 to 38)   
 Age > =30 15/34 (76.0%) 47/86 (54.7%) 0.7 (0.3 to 1.4) 0.6 (0.2 to 1.6)
 Aboriginal 2/33 (6.1%) 8/84 (9.5%) 0.6 (0.1 to 3.1) 0.9 (0.2 to 5.1)
 Born overseas 12/34 (35.3%) 39/86 (45.4%) 0.7 (0.3 to 1.5) Excluded
Risk factors and behaviours
 Median no. of sexual partners, past 6/12 (IQR) 3 (2 to 4) 3.5 (2 to 5.5)   Excluded
 > =5 sexual partners, past 6/12 9/34 (26.5%) 35/86 (40.7) 0.5 (0.2 to 1.3)  
 Sex with same-sex partner 0/34 (0%) 10/86 (11.6%) a a
 Condom used in most recent encounter 6/34 (17.7%) 11/86 (12.8%) 1.5 (0.4 to 4.3) Excluded
 Casual partner in most recent encounter 27/34 (79.4%) 65/86 (75.6%) 1.2 (0.5 to 3.3) Excluded
Clinical features
 Median duration of symptoms, days (IQR) 7 (5 to 14) 5 (2 to 12)   Excluded
 > =7 days of symptoms 26/34 (76.5%) 42/86 (48.8%) 3.4(1.3 to 8.4)  
 History of discharge 12/34 (35.3%) 37/86 (43.0%) 0.7 (0.3 to 1.6) 0.8 (0.3 to 2.1)
 History of discharge purulent discharge 4/34 (11.8%) 21/86 (24.4%) 0.4 (0.1 to 1.3) Excluded
 History of urethral discomfort 31/34 (91.2%) 81/86 (94.2%) 0.6 (0.1 to 2.8) Excluded
 Any abnormalities on genital examination 10/25 (40.0%) 30/70 (42.9%) 0.9 (0.4 to 2.3) 1.01 (0.4 to 2.7)
  1. Bold font indicate statistically significant result, p<0.05aExcluded due to cell size < 1. Final multivariate model included age > 30, Aboriginal status, men with same sex partners, clinical presentation of discharge and any abnormalities on genital examination