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* Per 1,000 person-years standardized to the sex- or risk-specific proportion of national acquired immunodeficiency syndrome surveillance cases by age, race, year of diagnosis, country of birth, and CD4+ T-lymphocyte distribution. Data from all cities are weighted equally.
+ Data in this analysis are for the two largest HIV exposure modes for females observed in the Adult/Adolescent Spectrum of HIV Disease project. Exposure mode-specific data are not presented for 1,554 females with other HIV exposure modes.
Advertisement& -- A CDC-sponsored surveillance project that collects data at selected sites in 11 U.S. cities.
@ -- Differences by HIV exposure mode were significant using the stratified Cochran-Mantel-Haenszel (CMH) statistic (p<0.05).
** In a comparison of data in Tables 4 and 5, the difference by sex for this item was significant using the stratified CMH statistic; the incidence rate was higher for females (p<0.05).
++ In a comparison of data in Tables 4 and 5, the difference by sex for this item was significant using the stratified CMH statistic; the incidence rate was higher for males (p<0.05).
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