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The Median Survival Time Of Cd4 + Lymphocyte Count At 200 X Essay

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The overall estimated survival time from CD4+ lymphocyte count at 200 x 106/L to death was 43.4 months, which was a little longer than that from San Francisco Homosexual Cohort Study (3). The median survival time of 38 months from CD4+ lymphocyte count at 200 x 106/L to death in San Francisco Homosexual Cohort Study was quite similar to the result from the study of 17 Korean homosexual men (39.7 months). In Multicenter AIDS Cohort Study, 71 % of HIV infected persons with CD4+ lymphocyte count in the range of 101 - 200 x 106/L were alive for 2.5 years from 1989 to 1993 (4). In this study, 70.6 % of subjects survived for 2 years and 66.6 % of subjects survived for 2.5 years from the date of CD4+ lymphocyte count at 200 x 106/L to death.
The median survival time of 19.8 months from the estimated date of CD4+ lymphocyte count at 50 x 106/L to death was somewhat longer than that reported by Elizabeth G. (16 months, >25% at 2 years)(12). Robert Yarchoan showed that the median survival time of HIV infected persons with CD4+ lymphocyte count less than 50 x 106/L was 12.1 months (95% confidence interval: 7.2 -19.4 months) (13). According to the previous report that AIDS-defining diseases occurred at CD4+ lymphocyte count of 50 x 106/L for diagnoses, we compared our result of survival time from CD4+ lymphocyte count at 50 x 106/L to death with other AIDS survival studies. Ninety-seven percentages of AIDS patients survived at 6 months and 86% of them at 12 months in France (14). The
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