Total number of specimens tested from GUM serum archive (1995)
| Age group (years) | ||||||
|---|---|---|---|---|---|---|
| <20 | 20–24 | 25–34 | 35–44 | 45+ | Total | |
| London | ||||||
| Number tested from archive | 1229 | 2211 | 3342 | 2252 | 1148 | 10182 |
| Serum archive | 2163 | 7923 | 16125 | 5236 | 2231 | 33678 |
| Outside London | ||||||
| Number tested from archive | 1040 | 1678 | 1942 | 1526 | 1218 | 7404 |
| Serum archive | 3111 | 7283 | 10246 | 3755 | 1755 | 26150 |
| Total number tested from archive | 2269 | 3889 | 5284 | 3778 | 2366 | 17586 |
| Total serum archive | 5274 | 15206 | 26371 | 8991 | 3986 | 59828 |