Fig. 2

Mean interval (days) between the last reported sexual contact with women, the onset of urethral symptoms, testing and treatment in urethral Neisseria gonorrhoeae infections among heterosexual men stratified by symptom category. (1a) 93 (80.2%) men with typical discharge treated for gonorrhoea (azithromycin 1g plus ceftriaxone 500 mg) on the day of screening, 72 of them had time interval data reported. (2a) 9 (7.8%) men with atypical symptoms treated for gonorrhoea on the day of screening, 6 had time interval data reported; (2b) 7 (6.0%) men with atypical symptoms treated for non-gonococcal urethritis (azithromycin 1g or doxycycline 100 mg twice daily for 7 days) on the day of screening, 3 had time interval data reported. (3a) 4 (3.5%) men with no symptoms not treated for gonorrhoea on the day of screening, 2 had time interval data reported; (3b) 2 (1.7%) men with no symptoms treated for gonorrhoea on the day of screening, 1 had time interval data reported; (3c) 1 (0.9%) men with no symptoms on the day of screening but developed typical discharge later