Zidovudine strata | n | Events (incidence, %) | Relative risk | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
HIV dementia | Opportunitstic brain disease | Total | HIV dementia | 95% CI | Opportunistic brain disease | 95% CI | Total | 95% CI | |||
No zidovudine | 400 | 24 (6.0) | 57 (14.3) | 81 (20.3) | 1 | 1 | 1 | ||||
Zidovudine <6 months | 130 | 10 (6.4) | 6 (3.9) | 16 (9.9) | 0.91 | 0.42–1.95 | 0.23 | 0.10–0.54 | 0.43 | 0.24–0.76 | |
Zidovudine 6-18 months | 160 | 3 (1.9) | 8 (4.8) | 11 (6.5) | 0.25 | 0.07–0.84 | 0.28 | 0.13–0.28 | 0.27 | 0.14–0.53 | |
Zidovudine >18-30 months | 164 | 8 (5.4) | 17 (10.9) | 25 (15.2) | 0.76 | 0.33–1.74 | 0.68 | 0.38–1.20 | 0.71 | 0.43–1.16 | |
Zidovudine > 30 months | 167 | 10 (6.7) | 18 (11.5) | 28 (16.8) | 0.95 | 0.44–2.05 | 0.72 | 0.41–1.27 | 0.79 | 0.49–1.27 |