Comparison of characteristics of patients lost to follow up (“cases”) with matched controls. Statistical analysis by Mann-Whitney test or χ2 test
| Cases (%) | Controls (%) | p Value | |
|---|---|---|---|
| Median age (years) | 34 | 37 | 0.0068 |
| Median CD4 (cells ×106/l) | 415 | 470 | 0.49 |
| Median log10 VL in patients off therapy | 4.03 | 3.96 | 0.48 |
| Ethnicity: | |||
| Black African | 17 (18.1) | 18 (19.1) | 0.62 |
| White | 58 (61.7) | 62 (66.0) | |
| Other | 12 (12.8) | 8 (8.5) | |
| Not known | 7 (7.4) | 6 (6.4) | |
| Born in UK | 34 (36.2) | 40 (42.6) | 0.072 |
| Transmission by sex between men | 63 (67.0) | 64 (68.1) | 0.70 |
| CDC stage | |||
| A | 58 (61.7) | 48 (51.1) | |
| B | 22 (23.4) | 28 (29.8) | |
| C | 14 (14.9) | 18 (19.1) | 0.37 |
| On HAART at last visit | 26 (27.7) | 57 (60.6) | <0.001 |
| Attended another centre before the centre of this study | 31 (33.0) | 20 (21.3) | 0.104 |
| General practitioner details documented | 43 (45.7) | 38 (40.4) | 0.38 |
| Written correspondence with GP | 20 (21.3) | 15 (16.0) | 0.857 |