Table.
Characteristics of individuals enrolled in the UK CHIC study by year of cohort entry
| Not linked to HARS (2000–04 [n=951]) | 10 year cohort (2000–04 [n=12 811]) |
5 year cohorts |
||||
|---|---|---|---|---|---|---|
| 2000–03 (n=9954) | 2004–07 (n=11 259) | 2008–09 (n=5318) | ||||
| Age (years) | ||||||
| <30 | 283 (29·8%) | 4004 (31·3%) | 3182 (32·0%) | 3344 (29·7%) | 1414 (26·6%) | |
| 30–39 | 409 (43·0%) | 5698 (44·5%) | 4458 (44·8%) | 4669 (41·5%) | 2030 (38·2%) | |
| 40–49 | 165 (17·4%) | 2239 (17·5%) | 1650 (16·6%) | 2379 (21·1%) | 1324 (24·9%) | |
| ≥50 | 82 (8·6%) | 870 (6·8%) | 664 (6·7%) | 867 (7·7%) | 550 (10·3%) | |
| Sex | ||||||
| Men | 567 (59·6%) | 8396 (65·5%) | 6565 (66·0%) | 7416 (65·9%) | 3686 (69·3%) | |
| Women | 373 (39·2%) | 4415 (34·5%) | 3389 (34·0%) | 3843 (34·1%) | 1632 (30·7%) | |
| Ethnicity | ||||||
| White | 344 (36·2%) | 5646 (44·1%) | 4399 (44·2%) | 5106 (45·4%) | 2543 (47·8%) | |
| Black | 341 (35·9%) | 5660 (44·2%) | 4334 (43·5%) | 4914 (43·6%) | 2087 (39·2%) | |
| Other or unknown | 266 (28·0%) | 1505 (11·7%) | 1221 (12·3%) | 1239 (11·0%) | 688 (12·9%) | |
| Mode of HIV acquisition | ||||||
| Sex between men | 257 (27·0%) | 5157 (40·3%) | 4054 (40·7%) | 4617 (41·0%) | 2205 (41·5%) | |
| Heterosexual | 396 (41·6%) | 6343 (49·5%) | 4873 (49·0%) | 5477 (48·6%) | 2355 (44·3%) | |
| Other or unknown | 298 (31·3%) | 1311 (10·2%) | 1027 (10·3%) | 1165 (10·3%) | 758 (14·3%) | |
| Newly diagnosed | 723 (76·0%) | 9888 (77·2%) | 7948 (79·8%) | 8110 (72·0%) | 3737 (70·3%) | |
| CD4 count (cells per μL) | ||||||
| <200 | 142 (14·9%) | 2838 (22·2%) | 2226 (22·4%) | 2582 (22·9%) | 1115 (21·0%) | |
| 201–350 | 83 (8·7%) | 1998 (15·6%) | 1463 (14·7%) | 2101 (18·7%) | 1057 (19·9%) | |
| >350 | 199 (20·9%) | 3414 (26·6%) | 2509 (25·2%) | 3833 (34·0%) | 2081 (39·1%) | |
| Data not available | 527 (55·4%) | 4561 (35·6%) | 3756 (37·7%) | 2743 (24·4%) | 1065 (20·0%) | |
| Viral load (log10copies per mL) | 4·2 (2·6–5·0) | 4·3 (3·1–5·1) | 4·4 (3·3–5·1) | 4·2 (2·8–5·0) | 4·0 (2·5–4·9) | |
Data are n (%), or median (IQR). CHIC=Collaborative HIV Cohort. HARS=HIV and AIDS Reporting System.