Number of HIV and rectal GC infections diagnosed and rates of infections by year
| Year | Number of eligible HIV-uninfected MSM* | Number contributing to HIV incidence† | HIV diagnoses | Person-year | HIV incidence (95% CI) | Rectal GC diagnoses | Person-year | Rectal GC incidence (95% CI) |
| 2011 | 90 264 | 40 164 | 326 | 25 923 | 1.26 (1.13 to 1.40) | 487 | 14 125 | 3.45 (3.16 to 3.77) |
| 2012 | 104 343 | 49 212 | 340 | 30 444 | 1.12 (1.00 to 1.24) | 690 | 15 582 | 4.43 (4.11 to 4.77) |
| 2013 | 111 978 | 55 804 | 415 | 36 046 | 1.15 (1.05 to 1.27) | 1108 | 19 451 | 5.70 (5.37 to 6.04) |
| 2014 | 128 136 | 64 490 | 446 | 41 038 | 1.09 (0.99 to 1.19) | 1449 | 24 593 | 5.89 (5.60 to 6.20) |
| 2015 | 138 382 | 71 253 | 429 | 45 528 | 0.94 (0.86 to 1.04) | 1603 | 29 318 | 5.47 (5.20 to 5.74) |
| 2016 | 141 588 | 74 891 | 276 | 49 002 | 0.56 (0.50 to 0.63) | 1976 | 31 620 | 6.25 (5.98 to 6.53) |
| 2017 | 151 295 | 80 710 | 187 | 52 579 | 0.36 (0.31 to 0.41) | 2839 | 34 914 | 8.13 (7.84 to 8.44) |
| 2018 | 152 319 | 82 082 | 153 | 55 343 | 0.28 (0.24 to 0.32) | 4439 | 39 875 | 11.13 (10.81 to 11.46) |
*MSM were eligible for inclusion if they were HIV uninfected and had two HIV test results.
†Person time from an MSM was included in calculation of HIV incidence for that calendar year if the interval between HIV test was contained within 6 months before (after) the beginning (end) of the calendar year.
GC, gonorrhoea; MSM, men who have sex with men.