Study sample characteristics compared with the clinic cohorts
Clinic A | Clinic B | |||||||
Study sample | 2014 Cohort | Study sample | 2014 Cohort | |||||
n | % | n | % | n | % | n | % | |
Gender | ||||||||
Male | 18 | 72.0 | 2459 | 77.5 | 23 | 85.2 | 7743 | 90.3 |
Female | 7 | 28.0 | 715 | 22.5 | 4 | 14.8 | 830 | 9.7 |
Age (years) | ||||||||
18–24 | 0 | 0.0 | 124 | 3.9 | 0 | 0.0 | 186 | 2.2 |
25–34 | 4 | 16.0 | 465 | 14.7 | 3 | 11.1 | 1729 | 20.2 |
35–49 | 16 | 64.0 | 1502 | 47.3 | 14 | 51.9 | 4164 | 48.6 |
50+ | 5 | 20.0 | 1083 | 34.1 | 10 | 37.0 | 2494 | 29.1 |
Ethnicity | ||||||||
White | 14 | 56.0 | 1541 | 48.6 | 22 | 81.5 | 6401 | 74.7 |
Black African | 5 | 20.0 | 720 | 22.7 | 5 | 18.5 | 778 | 9.1 |
Black Caribbean | 0 | 0.0 | 114 | 3.6 | 0 | 0.0 | 201 | 2.3 |
Other/mixed | 6 | 24.0 | 746 | 23.5 | 0 | 0.0 | 1132 | 13.2 |
Not reported | 0 | 0.0 | 53 | 1.7 | 0 | 0.0 | 61 | 0.7 |
Exposure route | ||||||||
Sex between men | 15 | 60.0 | 1971 | 62.1 | 22 | 81.5 | 6776 | 79.0 |
Heterosexual contact | 9 | 36.0 | 1037 | 32.7 | 5 | 18.5 | 1209 | 14.1 |
Injecting drug use | 1 | 4.0 | 52 | 1.6 | 0 | 0.0 | 109 | 1.3 |
Other | 0 | 0.0 | 112 | 3.5 | 0 | 0.0 | 46 | 0.5 |
Undetermined | 0 | 0.0 | 2 | 0.1 | 0 | 0.0 | 433 | 5.1 |
Year of diagnosis | ||||||||
Pre-1997 | 6 | 24.0 | 638 | 20.1 | 5 | 18.5 | 1399 | 16.3 |
1997–2005 | 6 | 24.0 | 1234 | 38.9 | 8 | 29.6 | 2580 | 30.1 |
2006–2012 | 7 | 28.0 | 986 | 31.1 | 10 | 37.0 | 3199 | 37.3 |
2013 onwards | 6 | 24.0 | 316 | 10.0 | 4 | 14.8 | 1395 | 16.3 |
Total | 3174 | 8573 |